Q: What are the prime factors of the number 131,725,750?

 A: 2, 5, 13, 40531

Why are those the prime factors of the number 131,725,750?

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 131,725,750

131,725,750
Factor Arrows
265,862,875
Factor Arrows
513,172,575
Factor Arrows
52,634,515
Factor Arrows
5526,903
Factor Arrows
1340,531

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, 5, 13, 40531

We can check our work by multiplying all of the prime factors together: 2 x 5 x 5 x 5 x 13 x 40,531 = 131,725,750

This can also be written as 21 x 53 x 131 x 40,5311 = 131,725,750

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


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