Q: What are the prime factors of the number 40,522,512?

 A: 2, 3, 29, 43, 677

Why are those the prime factors of the number 40,522,512?

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 40,522,512

40,522,512
Factor Arrows
220,261,256
Factor Arrows
210,130,628
Factor Arrows
25,065,314
Factor Arrows
22,532,657
Factor Arrows
3844,219
Factor Arrows
2929,111
Factor Arrows
43677

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, 29, 43, 677

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 29 x 43 x 677 = 40,522,512

This can also be written as 24 x 31 x 291 x 431 x 6771 = 40,522,512

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


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