Q: What are the prime factors of the number 87,454,320?

 A: 2, 3, 5, 364393

Why are those the prime factors of the number 87,454,320?

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 87,454,320

87,454,320
Factor Arrows
243,727,160
Factor Arrows
221,863,580
Factor Arrows
210,931,790
Factor Arrows
25,465,895
Factor Arrows
31,821,965
Factor Arrows
5364,393

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, 364393

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 5 x 364,393 = 87,454,320

This can also be written as 24 x 31 x 51 x 364,3931 = 87,454,320

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


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