Q: What are the prime factors of the number 481,230,308?

 A: 2, 13, 73, 331, 383

Why are those the prime factors of the number 481,230,308?

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 481,230,308

481,230,308
Factor Arrows
2240,615,154
Factor Arrows
2120,307,577
Factor Arrows
139,254,429
Factor Arrows
73126,773
Factor Arrows
331383

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, 13, 73, 331, 383

We can check our work by multiplying all of the prime factors together: 2 x 2 x 13 x 73 x 331 x 383 = 481,230,308

This can also be written as 22 x 131 x 731 x 3311 x 3831 = 481,230,308

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


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