Q: What are the prime factors of the number 48,631,135?

 A: 5, 7, 17, 37, 47

Why are those the prime factors of the number 48,631,135?

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 48,631,135

48,631,135
Factor Arrows
59,726,227
Factor Arrows
71,389,461
Factor Arrows
1781,733
Factor Arrows
372,209
Factor Arrows
4747

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:

5, 7, 17, 37, 47

We can check our work by multiplying all of the prime factors together: 5 x 7 x 17 x 37 x 47 x 47 = 48,631,135

This can also be written as 51 x 71 x 171 x 371 x 472 = 48,631,135

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


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