Q: What are the prime factors of the number 240,376,752?

 A: 2, 3, 7, 11, 19, 163

Why are those the prime factors of the number 240,376,752?

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 240,376,752

240,376,752
Factor Arrows
2120,188,376
Factor Arrows
260,094,188
Factor Arrows
230,047,094
Factor Arrows
215,023,547
Factor Arrows
35,007,849
Factor Arrows
31,669,283
Factor Arrows
7238,469
Factor Arrows
734,067
Factor Arrows
113,097
Factor Arrows
19163

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, 11, 19, 163

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 7 x 7 x 11 x 19 x 163 = 240,376,752

This can also be written as 24 x 32 x 72 x 111 x 191 x 1631 = 240,376,752

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


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