Q: What are the prime factors of the number 240,702,440?

 A: 2, 5, 11, 199, 2749

Why are those the prime factors of the number 240,702,440?

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 240,702,440

240,702,440
Factor Arrows
2120,351,220
Factor Arrows
260,175,610
Factor Arrows
230,087,805
Factor Arrows
56,017,561
Factor Arrows
11547,051
Factor Arrows
1992,749

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, 5, 11, 199, 2749

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 11 x 199 x 2,749 = 240,702,440

This can also be written as 23 x 51 x 111 x 1991 x 2,7491 = 240,702,440

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


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