Q: What are the prime factors of the number 115,420,248?

 A: 2, 3, 41, 13033

Why are those the prime factors of the number 115,420,248?

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 115,420,248

115,420,248
Factor Arrows
257,710,124
Factor Arrows
228,855,062
Factor Arrows
214,427,531
Factor Arrows
34,809,177
Factor Arrows
31,603,059
Factor Arrows
3534,353
Factor Arrows
4113,033

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, 41, 13033

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 41 x 13,033 = 115,420,248

This can also be written as 23 x 33 x 411 x 13,0331 = 115,420,248

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


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