Q: What are the prime factors of the number 109,294,752?

 A: 2, 3, 7, 162641

Why are those the prime factors of the number 109,294,752?

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 109,294,752

109,294,752
Factor Arrows
254,647,376
Factor Arrows
227,323,688
Factor Arrows
213,661,844
Factor Arrows
26,830,922
Factor Arrows
23,415,461
Factor Arrows
31,138,487
Factor Arrows
7162,641

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, 3, 7, 162641

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 7 x 162,641 = 109,294,752

This can also be written as 25 x 31 x 71 x 162,6411 = 109,294,752

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


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