Q: What are the prime factors of the number 536,448,872?

 A: 2, 17, 23, 149, 1151

Why are those the prime factors of the number 536,448,872?

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 536,448,872

536,448,872
Factor Arrows
2268,224,436
Factor Arrows
2134,112,218
Factor Arrows
267,056,109
Factor Arrows
173,944,477
Factor Arrows
23171,499
Factor Arrows
1491,151

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, 17, 23, 149, 1151

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 17 x 23 x 149 x 1,151 = 536,448,872

This can also be written as 23 x 171 x 231 x 1491 x 1,1511 = 536,448,872

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


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