Q: What are the prime factors of the number 463,221,304?

 A: 2, 7, 13, 17, 5347

Why are those the prime factors of the number 463,221,304?

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 463,221,304

463,221,304
Factor Arrows
2231,610,652
Factor Arrows
2115,805,326
Factor Arrows
257,902,663
Factor Arrows
78,271,809
Factor Arrows
71,181,687
Factor Arrows
1390,899
Factor Arrows
175,347

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, 7, 13, 17, 5347

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 7 x 13 x 17 x 5,347 = 463,221,304

This can also be written as 23 x 72 x 131 x 171 x 5,3471 = 463,221,304

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


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