Q: What are the prime factors of the number 442,705,670?

 A: 2, 5, 11, 17, 61, 3881

Why are those the prime factors of the number 442,705,670?

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 442,705,670

442,705,670
Factor Arrows
2221,352,835
Factor Arrows
544,270,567
Factor Arrows
114,024,597
Factor Arrows
17236,741
Factor Arrows
613,881

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, 11, 17, 61, 3881

We can check our work by multiplying all of the prime factors together: 2 x 5 x 11 x 17 x 61 x 3,881 = 442,705,670

This can also be written as 21 x 51 x 111 x 171 x 611 x 3,8811 = 442,705,670

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


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