Q: What are the prime factors of the number 154,102,528?

 A: 2, 467, 1289

Why are those the prime factors of the number 154,102,528?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 154,102,528

154,102,528
Factor Arrows
277,051,264
Factor Arrows
238,525,632
Factor Arrows
219,262,816
Factor Arrows
29,631,408
Factor Arrows
24,815,704
Factor Arrows
22,407,852
Factor Arrows
21,203,926
Factor Arrows
2601,963
Factor Arrows
4671,289

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

2, 467, 1289

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 467 x 1,289 = 154,102,528

This can also be written as 28 x 4671 x 1,2891 = 154,102,528

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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