Q: What are the prime factors of the number 120,442,336?

 A: 2, 7, 29, 18541

Why are those the prime factors of the number 120,442,336?

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 120,442,336

120,442,336
Factor Arrows
260,221,168
Factor Arrows
230,110,584
Factor Arrows
215,055,292
Factor Arrows
27,527,646
Factor Arrows
23,763,823
Factor Arrows
7537,689
Factor Arrows
2918,541

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, 7, 29, 18541

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 7 x 29 x 18,541 = 120,442,336

This can also be written as 25 x 71 x 291 x 18,5411 = 120,442,336

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


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