Q: What are the prime factors of the number 90,136,959?

 A: 3, 11, 29, 97, 971

Why are those the prime factors of the number 90,136,959?

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 90,136,959

90,136,959
Factor Arrows
330,045,653
Factor Arrows
112,731,423
Factor Arrows
2994,187
Factor Arrows
97971

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, 11, 29, 97, 971

We can check our work by multiplying all of the prime factors together: 3 x 11 x 29 x 97 x 971 = 90,136,959

This can also be written as 31 x 111 x 291 x 971 x 9711 = 90,136,959

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


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