Q: What are the prime factors of the number 306,730,650?

 A: 2, 3, 5, 71, 83, 347

Why are those the prime factors of the number 306,730,650?

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 306,730,650

306,730,650
Factor Arrows
2153,365,325
Factor Arrows
351,121,775
Factor Arrows
510,224,355
Factor Arrows
52,044,871
Factor Arrows
7128,801
Factor Arrows
83347

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, 71, 83, 347

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 5 x 71 x 83 x 347 = 306,730,650

This can also be written as 21 x 31 x 52 x 711 x 831 x 3471 = 306,730,650

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


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