Q: What are the prime factors of the number 312,756,600?

 A: 2, 3, 5, 13, 101, 397

Why are those the prime factors of the number 312,756,600?

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 312,756,600

312,756,600
Factor Arrows
2156,378,300
Factor Arrows
278,189,150
Factor Arrows
239,094,575
Factor Arrows
313,031,525
Factor Arrows
52,606,305
Factor Arrows
5521,261
Factor Arrows
1340,097
Factor Arrows
101397

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, 5, 13, 101, 397

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 5 x 5 x 13 x 101 x 397 = 312,756,600

This can also be written as 23 x 31 x 52 x 131 x 1011 x 3971 = 312,756,600

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


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