Q: What are the prime factors of the number 40,466,320?

 A: 2, 5, 593, 853

Why are those the prime factors of the number 40,466,320?

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 40,466,320

40,466,320
Factor Arrows
220,233,160
Factor Arrows
210,116,580
Factor Arrows
25,058,290
Factor Arrows
22,529,145
Factor Arrows
5505,829
Factor Arrows
593853

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, 5, 593, 853

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 593 x 853 = 40,466,320

This can also be written as 24 x 51 x 5931 x 8531 = 40,466,320

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


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