Q: What are the prime factors of the number 101,240,325?

 A: 3, 5, 37, 12161

Why are those the prime factors of the number 101,240,325?

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 101,240,325

101,240,325
Factor Arrows
333,746,775
Factor Arrows
311,248,925
Factor Arrows
52,249,785
Factor Arrows
5449,957
Factor Arrows
3712,161

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:

3, 5, 37, 12161

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 5 x 37 x 12,161 = 101,240,325

This can also be written as 32 x 52 x 371 x 12,1611 = 101,240,325

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


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