Q: What are the prime factors of the number 74,367,104?

 A: 2, 7, 71, 167

Why are those the prime factors of the number 74,367,104?

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 74,367,104

74,367,104
Factor Arrows
237,183,552
Factor Arrows
218,591,776
Factor Arrows
29,295,888
Factor Arrows
24,647,944
Factor Arrows
22,323,972
Factor Arrows
21,161,986
Factor Arrows
2580,993
Factor Arrows
782,999
Factor Arrows
711,857
Factor Arrows
71167

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, 7, 71, 167

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 7 x 7 x 71 x 167 = 74,367,104

This can also be written as 27 x 72 x 711 x 1671 = 74,367,104

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


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