Prime Factors of 21 are 3 and 7
To find the primefactors of 21 using the division method, follow these steps:
So, the prime factorization of 21 is, 21 = 3 x 7.
We can follow the same procedure using the factor tree of 21 as shown below:
So, the prime factorization of 21 is, 21 = 3 x 7.
In mathematics, prime numbers are defined as all those natural numbers greater than 1 that has only two divisors one being number 1 and the other being the number itself. When we express any number as the products of these prime numbers than these prime numbers become prime factors of that number. Eg- Prime Factors of 21 are 3 x 7.
Smallest prime factor of 21 is 3.
No 21 is not a perfect square.
Prime factorization of 21 is 3 x 7.
Factors of 21 are 1 , 3 , 7 , 21.
Prime factorization of 21 in exponential form is 3 x 7.
21 is a composite number.
false, 21 is not a prime number.
To find prime factorization of 21 easily you can refer to the steps given on this page step by step.
The largest prime factor of 21 is 7.