Q: What are the prime factors of the number 312,503,032?

 A: 2, 19, 251, 8191

Why are those the prime factors of the number 312,503,032?

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 312,503,032

312,503,032
Factor Arrows
2156,251,516
Factor Arrows
278,125,758
Factor Arrows
239,062,879
Factor Arrows
192,055,941
Factor Arrows
2518,191

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, 19, 251, 8191

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 19 x 251 x 8,191 = 312,503,032

This can also be written as 23 x 191 x 2511 x 8,1911 = 312,503,032

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


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