Q: What are the prime factors of the number 40,981,491?

 A: 3, 941, 1613

Why are those the prime factors of the number 40,981,491?

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 40,981,491

40,981,491
Factor Arrows
313,660,497
Factor Arrows
34,553,499
Factor Arrows
31,517,833
Factor Arrows
9411,613

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, 941, 1613

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 941 x 1,613 = 40,981,491

This can also be written as 33 x 9411 x 1,6131 = 40,981,491

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


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