Q: What are the prime factors of the number 485,227,176?

 A: 2, 3, 7, 37, 251, 311

Why are those the prime factors of the number 485,227,176?

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 485,227,176

485,227,176
Factor Arrows
2242,613,588
Factor Arrows
2121,306,794
Factor Arrows
260,653,397
Factor Arrows
320,217,799
Factor Arrows
72,888,257
Factor Arrows
3778,061
Factor Arrows
251311

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, 37, 251, 311

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 7 x 37 x 251 x 311 = 485,227,176

This can also be written as 23 x 31 x 71 x 371 x 2511 x 3111 = 485,227,176

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


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