Q: What are the prime factors of the number 75,132,416?

 A: 2, 146743

Why are those the prime factors of the number 75,132,416?

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 75,132,416

75,132,416
Factor Arrows
237,566,208
Factor Arrows
218,783,104
Factor Arrows
29,391,552
Factor Arrows
24,695,776
Factor Arrows
22,347,888
Factor Arrows
21,173,944
Factor Arrows
2586,972
Factor Arrows
2293,486
Factor Arrows
2146,743

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, 146743

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 2 x 2 x 146,743 = 75,132,416

This can also be written as 29 x 146,7431 = 75,132,416

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


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