Q: What are the prime factors of the number 372,413,106?

 A: 2, 3, 13, 31, 109, 157

Why are those the prime factors of the number 372,413,106?

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 372,413,106

372,413,106
Factor Arrows
2186,206,553
Factor Arrows
362,068,851
Factor Arrows
320,689,617
Factor Arrows
36,896,539
Factor Arrows
13530,503
Factor Arrows
3117,113
Factor Arrows
109157

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, 13, 31, 109, 157

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 13 x 31 x 109 x 157 = 372,413,106

This can also be written as 21 x 33 x 131 x 311 x 1091 x 1571 = 372,413,106

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


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