Q: What are the prime factors of the number 30,413,726?

 A: 2, 7, 101, 137, 157

Why are those the prime factors of the number 30,413,726?

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 30,413,726

30,413,726
Factor Arrows
215,206,863
Factor Arrows
72,172,409
Factor Arrows
10121,509
Factor Arrows
137157

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, 7, 101, 137, 157

We can check our work by multiplying all of the prime factors together: 2 x 7 x 101 x 137 x 157 = 30,413,726

This can also be written as 21 x 71 x 1011 x 1371 x 1571 = 30,413,726

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


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