Q: What are the prime factors of the number 38,125,430?

 A: 2, 5, 7, 29, 2683

Why are those the prime factors of the number 38,125,430?

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 38,125,430

38,125,430
Factor Arrows
219,062,715
Factor Arrows
53,812,543
Factor Arrows
7544,649
Factor Arrows
777,807
Factor Arrows
292,683

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, 7, 29, 2683

We can check our work by multiplying all of the prime factors together: 2 x 5 x 7 x 7 x 29 x 2,683 = 38,125,430

This can also be written as 21 x 51 x 72 x 291 x 2,6831 = 38,125,430

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


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