Factors of 1980 in pair are (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)
| 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 ) .
In mathematics, factor pair are often given as pair of numbers which when multiplied together give the original number. Every natural number is a product of atleast one factor pair. Eg- 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, factors of 1980 in pair are (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), (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.
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
Yes 1980 is a composite number.
No 1980 is not a prime number.
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. therefore mean 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) / 36 = 182.00.
A number x is said to be the proper divisor of y if it divides y completely, given that x is smaller than y.
An improper divisor of a number is the number itself apart from this any divisor of a given number is a proper divisor.
Positive 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.
Factors of 1980 in pair are (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), (44,45).
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. Hence, the factors of 1980 in pair are (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), (44,45).
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 in pair are (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), (44,45).
For the possible combinations possible for length and breadth in which a designer can design out all the rectangles can be calculated by calculating the factors of 1980 in pair. So, the possible combinations (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), (44,45).
Prime factorization of 1980 is 2 x 2 x 3 x 3 x 5 x 11. Factors of 1980 in pair can be written as (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), (44,45).
Smallest prime factor of 1980 is 2.
Largest prime factor of 1980 is 11.
Negative 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.