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Is 21 a factor of a prime number?
No. The only factors of a prime number are 1 and itself. The only way that 21 could be a factor of a prime number is if it were a prime number, but it is not because 21 is also divisible by 3 and 7.
What is a prime factor of 12 and 21?
3
What prime number is a factor of 21?
3 and 7
What number is it has 90 as a factor thre number is prime 21 is the multiple of the number?
If 21 is a multiple of the number, the number cannot have 90 as a factor.
Which number is a factor of 21 and also a prime number?
3 and 7
What factor of 21 is a prime factor?
21 = 3 x 7. Both these factors are prime.
What is a prime number for 12 and 21?
3 is a prime factor of 12 and of 21.
What is the composite number between 20 and 50 whose prime factor is 21?
21 is not a prime factor, it is 3 x 7
Is 21 a factor of a prime number?
No. The only factors of a prime number are 1 and itself. The only way that 21 could be a factor of a prime number is if it were a prime number, but it is not because 21 is also divisible by 3 and 7.
Are 14 and 21 relatively prime?
No, 14 and 21 are not relatively prime. They share the factor 7.No.
What is a prime factor of 12 and 21?
3
What is a common prime factor of 21 and 411?
It is 3 that is a common prime factor to both numbers
Is 21 a factor of 182?
No. 21 is not a factor of 182. The prime factorization of 182 is 21 x 71 x 131.
What are the prime factor product of 21?
21 = 3 x 7
What is the factor tree of 21?
3x7=21 3 and 7 are prime numbers, so 3x7 is the factor tree of the number 21.
What is the prime factor of 21?
The prime factors of 21 are 3 and 7.
What is the smallest prime factor that goes into 21?
3
