Q: What are the prime factors of the number 440,232,040?

 A: 2, 5, 59, 167, 1117

Why are those the prime factors of the number 440,232,040?

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 440,232,040

440,232,040
Factor Arrows
2220,116,020
Factor Arrows
2110,058,010
Factor Arrows
255,029,005
Factor Arrows
511,005,801
Factor Arrows
59186,539
Factor Arrows
1671,117

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, 59, 167, 1117

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 59 x 167 x 1,117 = 440,232,040

This can also be written as 23 x 51 x 591 x 1671 x 1,1171 = 440,232,040

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


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