Q: What are the prime factors of the number 265,115,424?

 A: 2, 3, 7, 241, 1637

Why are those the prime factors of the number 265,115,424?

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 265,115,424

265,115,424
Factor Arrows
2132,557,712
Factor Arrows
266,278,856
Factor Arrows
233,139,428
Factor Arrows
216,569,714
Factor Arrows
28,284,857
Factor Arrows
32,761,619
Factor Arrows
7394,517
Factor Arrows
2411,637

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, 241, 1637

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 241 x 1,637 = 265,115,424

This can also be written as 25 x 31 x 71 x 2411 x 1,6371 = 265,115,424

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


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