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What is a common prime factor of 21 and 411?
It is 3 that is a common prime factor to both numbers
What is the common prime factor of 6 and 21?
It is 3
What is the greatest common factor of 6 15 and 21?
The greatest common factor of 6, 15 and 21 is 3. The prime factorization of 6 is 2*3 The prime factorization of 15 is 3*5 The prime factorization of 21 is 3*7 The GCF is then 3, as it is the only common factor.
Are 21 and 66 relatively prime?
No, they are not. They share 3 as a factor.
WHAT ARE THE COMMON PRIME FACTOR IN THIS PAIR OF NUMBERS 21 AND 411?
3
What factor of 21 is a prime factor?
21 = 3 x 7. Both these factors are prime.
Is 21 a prime factor?
no
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 smallest prime factor that goes into 21?
3
