Q: What are the prime factors of the number 167,437,800?

 A: 2, 3, 5, 101, 307

Why are those the prime factors of the number 167,437,800?

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 167,437,800

167,437,800
Factor Arrows
283,718,900
Factor Arrows
241,859,450
Factor Arrows
220,929,725
Factor Arrows
36,976,575
Factor Arrows
32,325,525
Factor Arrows
3775,175
Factor Arrows
5155,035
Factor Arrows
531,007
Factor Arrows
101307

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, 5, 101, 307

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 5 x 5 x 101 x 307 = 167,437,800

This can also be written as 23 x 33 x 52 x 1011 x 3071 = 167,437,800

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


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