Q: What are the prime factors of the number 130,312,233?

 A: 3, 191, 8423

Why are those the prime factors of the number 130,312,233?

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 130,312,233

130,312,233
Factor Arrows
343,437,411
Factor Arrows
314,479,137
Factor Arrows
34,826,379
Factor Arrows
31,608,793
Factor Arrows
1918,423

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, 191, 8423

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 191 x 8,423 = 130,312,233

This can also be written as 34 x 1911 x 8,4231 = 130,312,233

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


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