Q: What are the prime factors of the number 140,013,504?

 A: 2, 3, 43, 5653

Why are those the prime factors of the number 140,013,504?

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 140,013,504

140,013,504
Factor Arrows
270,006,752
Factor Arrows
235,003,376
Factor Arrows
217,501,688
Factor Arrows
28,750,844
Factor Arrows
24,375,422
Factor Arrows
22,187,711
Factor Arrows
3729,237
Factor Arrows
3243,079
Factor Arrows
435,653

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, 3, 43, 5653

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 3 x 3 x 43 x 5,653 = 140,013,504

This can also be written as 26 x 32 x 431 x 5,6531 = 140,013,504

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


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