Q: What are the prime factors of the number 406,304,700?

 A: 2, 3, 5, 1354349

Why are those the prime factors of the number 406,304,700?

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 406,304,700

406,304,700
Factor Arrows
2203,152,350
Factor Arrows
2101,576,175
Factor Arrows
333,858,725
Factor Arrows
56,771,745
Factor Arrows
51,354,349

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, 1354349

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 5 x 1,354,349 = 406,304,700

This can also be written as 22 x 31 x 52 x 1,354,3491 = 406,304,700

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


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