No. 138 is divisible by 2.
138 is not prime. 138 = 2 * 3 * 23
Composite
138 = 2 x 3 x 23
2 x 3 x 23 = 138
138 = 2 x 3 x 23
138 = 2 * 3 * 23
The factors of 138 are: 2 x 69 3 x 46 6 x 23 So the prime numbers of 138 would be 3, and 23.
The GCF of 138, 253, and 805 is 23.The prime factorization of 138 is 2*3*23The prime factorization of 253 is 11*23The prime factorization of 805 is 5*7*23Thus, the GCF of 138, 253, and 805 is 23.
138 is a composite number because it has factors other than 1 and itself. It is not a prime number. The 8 factors of 138 are 1, 2, 3, 6, 23, 46, 69, and 138. The prime factors of 138 are 2, 3, and 23. The prime factorization of 138 is 2 x 3 x 23. NOTE: There cannot be common factors, a greatest common factor, or a least common multiple because "common" refers to factors or multiples that two or more numbers have in common.
1, 2, 3, 6, 23, 46, 69, 138 2, 3 and 23 are prime. 1 is neither. The rest are composite.
As even numbers, none of 138, 172 or 432 can be prime.As the sum of the digits of the number is equal to 9, 441 cannot be prime.
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