Q: What are the prime factors of the number 40,521,576?

 A: 2, 3, 353, 4783

Why are those the prime factors of the number 40,521,576?

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 40,521,576

40,521,576
Factor Arrows
220,260,788
Factor Arrows
210,130,394
Factor Arrows
25,065,197
Factor Arrows
31,688,399
Factor Arrows
3534,783

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, 353, 4783

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 353 x 4,783 = 40,521,576

This can also be written as 23 x 31 x 3531 x 4,7831 = 40,521,576

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


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