Q: What are the prime factors of the number 90,488,994?

 A: 2, 3, 17, 67, 13241

Why are those the prime factors of the number 90,488,994?

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 90,488,994

90,488,994
Factor Arrows
245,244,497
Factor Arrows
315,081,499
Factor Arrows
17887,147
Factor Arrows
6713,241

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, 17, 67, 13241

We can check our work by multiplying all of the prime factors together: 2 x 3 x 17 x 67 x 13,241 = 90,488,994

This can also be written as 21 x 31 x 171 x 671 x 13,2411 = 90,488,994

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


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