Q: What are the prime factors of the number 312,064?

 A: 2, 23, 53

Why are those the prime factors of the number 312,064?

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 312,064

312,064
Factor Arrows
2156,032
Factor Arrows
278,016
Factor Arrows
239,008
Factor Arrows
219,504
Factor Arrows
29,752
Factor Arrows
24,876
Factor Arrows
22,438
Factor Arrows
21,219
Factor Arrows
2353

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, 23, 53

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 23 x 53 = 312,064

This can also be written as 28 x 231 x 531 = 312,064

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


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