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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
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 is the greatest common factor of 21 42 49?
To find the greatest common factor of 21, 42, and 49, we first need to find the prime factors of each number. The prime factors of 21 are 3 and 7, the prime factors of 42 are 2, 3, and 7, and the prime factors of 49 are 7 and 7. The greatest common factor is the product of the common prime factors raised to the lowest power they appear in any of the numbers, which in this case is 7. Therefore, the greatest common factor of 21, 42, and 49 is 7.
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
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 a common prime factor of 21 and 411?
It is 3 that is a common prime factor to both numbers
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
