Q: What are the prime factors of the number 100,210,112?

 A: 2, 127, 12329

Why are those the prime factors of the number 100,210,112?

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 100,210,112

100,210,112
Factor Arrows
250,105,056
Factor Arrows
225,052,528
Factor Arrows
212,526,264
Factor Arrows
26,263,132
Factor Arrows
23,131,566
Factor Arrows
21,565,783
Factor Arrows
12712,329

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, 127, 12329

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 127 x 12,329 = 100,210,112

This can also be written as 26 x 1271 x 12,3291 = 100,210,112

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


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