Q: What are the prime factors of the number 103,213,952?

 A: 2, 61, 13219

Why are those the prime factors of the number 103,213,952?

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 103,213,952

103,213,952
Factor Arrows
251,606,976
Factor Arrows
225,803,488
Factor Arrows
212,901,744
Factor Arrows
26,450,872
Factor Arrows
23,225,436
Factor Arrows
21,612,718
Factor Arrows
2806,359
Factor Arrows
6113,219

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, 61, 13219

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 2 x 61 x 13,219 = 103,213,952

This can also be written as 27 x 611 x 13,2191 = 103,213,952

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


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