Q: What are the prime factors of the number 75,454,432?

 A: 2, 17, 41, 199

Why are those the prime factors of the number 75,454,432?

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 75,454,432

75,454,432
Factor Arrows
237,727,216
Factor Arrows
218,863,608
Factor Arrows
29,431,804
Factor Arrows
24,715,902
Factor Arrows
22,357,951
Factor Arrows
17138,703
Factor Arrows
178,159
Factor Arrows
41199

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, 17, 41, 199

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 17 x 17 x 41 x 199 = 75,454,432

This can also be written as 25 x 172 x 411 x 1991 = 75,454,432

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


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