Q: What are the prime factors of the number 39,118,496?

 A: 2, 17, 71909

Why are those the prime factors of the number 39,118,496?

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 39,118,496

39,118,496
Factor Arrows
219,559,248
Factor Arrows
29,779,624
Factor Arrows
24,889,812
Factor Arrows
22,444,906
Factor Arrows
21,222,453
Factor Arrows
1771,909

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, 17, 71909

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 17 x 71,909 = 39,118,496

This can also be written as 25 x 171 x 71,9091 = 39,118,496

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


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