Q: What are the prime factors of the number 446,142,347?

 A: 7, 67, 73, 83, 157

Why are those the prime factors of the number 446,142,347?

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 446,142,347

446,142,347
Factor Arrows
763,734,621
Factor Arrows
67951,263
Factor Arrows
7313,031
Factor Arrows
83157

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:

7, 67, 73, 83, 157

We can check our work by multiplying all of the prime factors together: 7 x 67 x 73 x 83 x 157 = 446,142,347

This can also be written as 71 x 671 x 731 x 831 x 1571 = 446,142,347

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


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