Factors of 1980 are 1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, and 1980
Hence, Factors of 1980 are 1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, and 1980
A prime number is a number that has exactly two factors, 1 and the number itself. Prime factorization of a number means breaking down of the number into the form of products of its prime factors.
There are two different methods that can be used for the prime factorization.
To find the primefactors of 1980 using the division method, follow these steps:
So, the prime factorization of 1980 is, 1980 = 2 x 2 x 3 x 3 x 5 x 11.
We can follow the same procedure using the factor tree of 1980 as shown below:
So, the prime factorization of 1980 is, 1980 = 2 x 2 x 3 x 3 x 5 x 11.
Pair factors of a number are any two numbers which, which on multiplying together, give that number as a result. The pair factors of 1980 would be the two numbers which, when multiplied, give 1980 as the result.
The following table represents the calculation of factors of 1980 in pairs:
| Factor Pair | Pair Factorization |
|---|---|
| 1 and 1980 | 1 x 1980 = 1980 |
| 2 and 990 | 2 x 990 = 1980 |
| 3 and 660 | 3 x 660 = 1980 |
| 4 and 495 | 4 x 495 = 1980 |
| 5 and 396 | 5 x 396 = 1980 |
| 6 and 330 | 6 x 330 = 1980 |
| 9 and 220 | 9 x 220 = 1980 |
| 10 and 198 | 10 x 198 = 1980 |
| 11 and 180 | 11 x 180 = 1980 |
| 12 and 165 | 12 x 165 = 1980 |
| 15 and 132 | 15 x 132 = 1980 |
| 18 and 110 | 18 x 110 = 1980 |
| 20 and 99 | 20 x 99 = 1980 |
| 22 and 90 | 22 x 90 = 1980 |
| 30 and 66 | 30 x 66 = 1980 |
| 33 and 60 | 33 x 60 = 1980 |
| 36 and 55 | 36 x 55 = 1980 |
| 44 and 45 | 44 x 45 = 1980 |
Since the product of two negative numbers gives a positive number, the product of the negative values of both the numbers in a pair factor will also give 1980. They are called negative pair factors.
Hence, the negative pairs of 1980 would be ( -1 , -1980 ) , ( -2 , -990 ) , ( -3 , -660 ) , ( -4 , -495 ) , ( -5 , -396 ) , ( -6 , -330 ) , ( -9 , -220 ) , ( -10 , -198 ) , ( -11 , -180 ) , ( -12 , -165 ) , ( -15 , -132 ) , ( -18 , -110 ) , ( -20 , -99 ) , ( -22 , -90 ) , ( -30 , -66 ) , ( -33 , -60 ) , ( -36 , -55 ) and ( -44 , -45 ) .
In mathematics, a factor is that number which divides into another number exactly, without leaving a remainder. A factor of a number can be positive or negative.
Smallest prime factor of 1980 is 2.
No 1980 is not a perfect square.
First five multiples of 1980 are 3960, 5940, 7920, 9900, 11880.
Prime factorization of 1980 is 2 x 2 x 3 x 3 x 5 x 11.
Factors of 1980 are 1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980.
Factors of -1980 are -1, -2, -3, -4, -5, -6, -9, -10, -11, -12, -15, -18, -20, -22, -30, -33, -36, -44, -45, -55, -60, -66, -90, -99, -110, -132, -165, -180, -198, -220, -330, -396, -495, -660, -990, -1980.
Yes 1980 is a whole number.
The greatest factor of 1980 is 990.
The factors of 1980 are 1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980.Prime factors of 1980 are 2, 2, 3, 3, 5, 11.
Prime factors of 1980 are 2, 2, 3, 3, 5, 11.Hence, the product of prime factors of 330.
Factors of 1980 are 1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980.Even factors of 1980 are 2, 4, 6, 10, 12, 18, 20, 22, 30, 36, 44, 60, 66, 90, 110, 132, 180, 198, 220, 330, 396, 660, 990, 1980.Hence, product of even factors of 1980 is; 2 x 4 x 6 x 10 x 12 x 18 x 20 x 22 x 30 x 36 x 44 x 60 x 66 x 90 x 110 x 132 x 180 x 198 x 220 x 330 x 396 x 660 x 990 x 1980 = 1.487107045191379e+43.
Factors of 1980 are 1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980.To calculate the mean we need to calculate the sum of factors first. Sum of factors of 1980 is 1 + 2 + 3 + 4 + 5 + 6 + 9 + 10 + 11 + 12 + 15 + 18 + 20 + 22 + 30 + 33 + 36 + 44 + 45 + 55 + 60 + 66 + 90 + 99 + 110 + 132 + 165 + 180 + 198 + 220 + 330 + 396 + 495 + 660 + 990 + 1980 = 6552.Hence, the mean of factors of 1980 is 6552 ÷ 36 = 182.00.
Positive factors are 1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980. Negative factors are -1, -2, -3, -4, -5, -6, -9, -10, -11, -12, -15, -18, -20, -22, -30, -33, -36, -44, -45, -55, -60, -66, -90, -99, -110, -132, -165, -180, -198, -220, -330, -396, -495, -660, -990, -1980.
Factors of 1980 are 1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980.So there are in total 36 factors.
Prime factors of 1980 are 2, 2, 3, 3, 5, 11.So in exponential form it can be written as 22 x 32 x 5 x 11.
35 factor(s) of 1980 are 1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990.