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How many prime numbers are there in 21?
21 has two prime factors.
Is 21and 23 twin prime numbers?
No, 21 and 23 are not twin prime numbers. Twin primes are pairs of prime numbers that differ by 2, such as 3 and 5, or 11 and 13.
What are the prime numbers between 10 and 21?
The prime numbers between 10 and 21 are 11, 13, 17, and 19.
How many two digit prime numbers are there?
There are 21 two-digit prime numbers.
Is 25 and 21 prime numbers?
None of them is a prime number.
What is the prime numbers of 21?
Do you mean, "What is the prime factorization of 21?"
Is 21 and 89 a pair of prime numbers?
21 is not prime.
What numbers are prime numbers out of 21 31 41?
21
How many prime numbers are there in 21?
21 has two prime factors.
What are the prime numbers from 21 to 40?
The prime numbers from 21 to 40 are 23, 29, 31, and 37.
Is 7 and 3 and 21 prime numbers?
7 and 3 are prime numbers but 21 is a composite nuber
How many prime numbers are there from 21 to 35?
There are 3 prime numbers from 21 to 35:23, 29 and 31
What are the prime numbers for 21?
The prime factors of 21 are 3 x 7.
Which of these numbers is not a prime number A 21 B 31 C 41?
21 is not a prime.
Are 17 and 21 prime numbers?
17 is a prime number, but 21 is not (21 = 3 * 7).
Are 21 and 11 prime numbers?
11 is a prime number but 21 is not a prime number as it is divisible by 3.
Is 21and 23 twin prime numbers?
No, 21 and 23 are not twin prime numbers. Twin primes are pairs of prime numbers that differ by 2, such as 3 and 5, or 11 and 13.
