Q: What are the prime factors of the number 478,881,315?

 A: 3, 5, 11, 35831

Why are those the prime factors of the number 478,881,315?

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 478,881,315

478,881,315
Factor Arrows
3159,627,105
Factor Arrows
353,209,035
Factor Arrows
317,736,345
Factor Arrows
35,912,115
Factor Arrows
31,970,705
Factor Arrows
5394,141
Factor Arrows
1135,831

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:

3, 5, 11, 35831

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 5 x 11 x 35,831 = 478,881,315

This can also be written as 35 x 51 x 111 x 35,8311 = 478,881,315

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


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