Q: What are the prime factors of the number 307,311,760?

 A: 2, 5, 7, 548771

Why are those the prime factors of the number 307,311,760?

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 307,311,760

307,311,760
Factor Arrows
2153,655,880
Factor Arrows
276,827,940
Factor Arrows
238,413,970
Factor Arrows
219,206,985
Factor Arrows
53,841,397
Factor Arrows
7548,771

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, 5, 7, 548771

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 7 x 548,771 = 307,311,760

This can also be written as 24 x 51 x 71 x 548,7711 = 307,311,760

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


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