Q: What are the prime factors of the number 38,085,498?

 A: 2, 3, 11, 97, 661

Why are those the prime factors of the number 38,085,498?

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 38,085,498

38,085,498
Factor Arrows
219,042,749
Factor Arrows
36,347,583
Factor Arrows
32,115,861
Factor Arrows
3705,287
Factor Arrows
1164,117
Factor Arrows
97661

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, 11, 97, 661

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 11 x 97 x 661 = 38,085,498

This can also be written as 21 x 33 x 111 x 971 x 6611 = 38,085,498

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


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