Q: What are the prime factors of the number 75,511,725?

 A: 3, 5, 281, 3583

Why are those the prime factors of the number 75,511,725?

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 75,511,725

75,511,725
Factor Arrows
325,170,575
Factor Arrows
55,034,115
Factor Arrows
51,006,823
Factor Arrows
2813,583

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:

3, 5, 281, 3583

We can check our work by multiplying all of the prime factors together: 3 x 5 x 5 x 281 x 3,583 = 75,511,725

This can also be written as 31 x 52 x 2811 x 3,5831 = 75,511,725

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


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