Q: What are the prime factors of the number 310,480,656?

 A: 2, 3, 17, 59, 6449

Why are those the prime factors of the number 310,480,656?

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 310,480,656

310,480,656
Factor Arrows
2155,240,328
Factor Arrows
277,620,164
Factor Arrows
238,810,082
Factor Arrows
219,405,041
Factor Arrows
36,468,347
Factor Arrows
17380,491
Factor Arrows
596,449

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, 17, 59, 6449

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 17 x 59 x 6,449 = 310,480,656

This can also be written as 24 x 31 x 171 x 591 x 6,4491 = 310,480,656

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


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