No, it is an even number and it is greater than 2 which tells you right away it is not.
The only even prime is 2 itself.
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The prime factorization of 28 is: 2 x 2 x 7
Because 7 is a factor of 28 and 63 and 7 is a prime number.
The prime factors are: 2 and 7. 2 x 7 = 14
The factors of 28 are: 1, 2, 4, 7, 14, 28 2 and 7 are prime. The factors of 32 are: 1, 2, 4, 8, 16, 32 2 is prime.
The factors of 28 are: 1, 2, 4, 7, 14, and 28.The prime factors of 28 are: 2 and 7.The factors of 32 are: 1, 2, 4, 8, 16, and 32.The only prime factor of 32 is: 2.