Q: What are the prime factors of the number 120,053,451?

 A: 3, 7, 263, 21737

Why are those the prime factors of the number 120,053,451?

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 120,053,451

120,053,451
Factor Arrows
340,017,817
Factor Arrows
75,716,831
Factor Arrows
26321,737

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, 7, 263, 21737

We can check our work by multiplying all of the prime factors together: 3 x 7 x 263 x 21,737 = 120,053,451

This can also be written as 31 x 71 x 2631 x 21,7371 = 120,053,451

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


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