Q: What are the prime factors of the number 144,101,312?

 A: 2, 127, 17729

Why are those the prime factors of the number 144,101,312?

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 144,101,312

144,101,312
Factor Arrows
272,050,656
Factor Arrows
236,025,328
Factor Arrows
218,012,664
Factor Arrows
29,006,332
Factor Arrows
24,503,166
Factor Arrows
22,251,583
Factor Arrows
12717,729

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, 127, 17729

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 127 x 17,729 = 144,101,312

This can also be written as 26 x 1271 x 17,7291 = 144,101,312

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


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