Q: What are the prime factors of the number 104,154,560?

 A: 2, 5, 167, 1949

Why are those the prime factors of the number 104,154,560?

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 104,154,560

104,154,560
Factor Arrows
252,077,280
Factor Arrows
226,038,640
Factor Arrows
213,019,320
Factor Arrows
26,509,660
Factor Arrows
23,254,830
Factor Arrows
21,627,415
Factor Arrows
5325,483
Factor Arrows
1671,949

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, 167, 1949

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 5 x 167 x 1,949 = 104,154,560

This can also be written as 26 x 51 x 1671 x 1,9491 = 104,154,560

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


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