Q: What are the prime factors of the number 100,101,144?

 A: 2, 3, 11, 13, 29167

Why are those the prime factors of the number 100,101,144?

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 100,101,144

100,101,144
Factor Arrows
250,050,572
Factor Arrows
225,025,286
Factor Arrows
212,512,643
Factor Arrows
34,170,881
Factor Arrows
11379,171
Factor Arrows
1329,167

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, 11, 13, 29167

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 11 x 13 x 29,167 = 100,101,144

This can also be written as 23 x 31 x 111 x 131 x 29,1671 = 100,101,144

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


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