Q: What are the prime factors of the number 481,260,858?

 A: 2, 3, 13, 29, 151, 1409

Why are those the prime factors of the number 481,260,858?

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 481,260,858

481,260,858
Factor Arrows
2240,630,429
Factor Arrows
380,210,143
Factor Arrows
136,170,011
Factor Arrows
29212,759
Factor Arrows
1511,409

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, 13, 29, 151, 1409

We can check our work by multiplying all of the prime factors together: 2 x 3 x 13 x 29 x 151 x 1,409 = 481,260,858

This can also be written as 21 x 31 x 131 x 291 x 1511 x 1,4091 = 481,260,858

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


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