The number 2359 is divisible by 7 and therefore not prime.
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450 is not prime. 450 = 2 * 3 * 3 * 5 * 5
2, 3, 5 are prime numbers but 9 is not a prime number
A prime factor = prime number which can be divided into the given number with no remainder Prime factors of 150 are: 2, 3, and 5.
2 x 3 x 5 is the prime factorization of the composite number 30.
The prime factorization of 150 is 2 x 3 x 5 x 5 or 2 x 3 x 5^2.