Q: What are the prime factors of the number 106,415,470?

 A: 2, 5, 7, 1520221

Why are those the prime factors of the number 106,415,470?

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 106,415,470

106,415,470
Factor Arrows
253,207,735
Factor Arrows
510,641,547
Factor Arrows
71,520,221

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, 1520221

We can check our work by multiplying all of the prime factors together: 2 x 5 x 7 x 1,520,221 = 106,415,470

This can also be written as 21 x 51 x 71 x 1,520,2211 = 106,415,470

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


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