Q: What are the prime factors of the number 258,148,902?

 A: 2, 3, 11, 53, 6709

Why are those the prime factors of the number 258,148,902?

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 258,148,902

258,148,902
Factor Arrows
2129,074,451
Factor Arrows
343,024,817
Factor Arrows
113,911,347
Factor Arrows
11355,577
Factor Arrows
536,709

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, 11, 53, 6709

We can check our work by multiplying all of the prime factors together: 2 x 3 x 11 x 11 x 53 x 6,709 = 258,148,902

This can also be written as 21 x 31 x 112 x 531 x 6,7091 = 258,148,902

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


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