if you mean their product is 21, then 7x3=21
They are: 19+2 = 21
How can 2 prime numbers ever be equal They cant be Equal.
120 is not a prime and no prime numbers equal a composite (ie non-prime).
38
Do you mean, "What is the prime factorization of 21?"
21 is not prime.
21
21 has two prime factors.
The prime numbers from 21 to 40 are 23, 29, 31, and 37.
7 and 3 are prime numbers but 21 is a composite nuber
19 and 11 are the two prime numbers that equal to 209.
the three prime numbers that equal 17 are _+_+_=17