Q: What are the prime factors of the number 114,605,440?

 A: 2, 5, 331, 541

Why are those the prime factors of the number 114,605,440?

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 114,605,440

114,605,440
Factor Arrows
257,302,720
Factor Arrows
228,651,360
Factor Arrows
214,325,680
Factor Arrows
27,162,840
Factor Arrows
23,581,420
Factor Arrows
21,790,710
Factor Arrows
2895,355
Factor Arrows
5179,071
Factor Arrows
331541

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, 5, 331, 541

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 5 x 331 x 541 = 114,605,440

This can also be written as 27 x 51 x 3311 x 5411 = 114,605,440

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


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