138 = 2 * 3 * 23
2 and 23
The prime number for which 23 is a factor is 23.
1 and 23 1, 2, 271, 542
The prime factorization of 46 is: 2 x 23
46 2, 23
23×1×2
1, 2, 23, 46
1, 2, 23, 46
2 x 46 4 x 23 2 x 2 x 23
2 and 23
The greatest common factor can be calculated by identifying the common prime factors and multiplying them together. The prime factors of 138 are 2, 3, and 23. The prime factors of 322 are 2, 7, and 23. The prime factors in common are 2 and 23, so the greatest common factor is 2 x 23 = 46.