Q: What are the prime factors of the number 87,590,556?

 A: 2, 3, 29, 53, 1583

Why are those the prime factors of the number 87,590,556?

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 87,590,556

87,590,556
Factor Arrows
243,795,278
Factor Arrows
221,897,639
Factor Arrows
37,299,213
Factor Arrows
32,433,071
Factor Arrows
2983,899
Factor Arrows
531,583

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:

2, 3, 29, 53, 1583

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 29 x 53 x 1,583 = 87,590,556

This can also be written as 22 x 32 x 291 x 531 x 1,5831 = 87,590,556

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


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