Q: What are the prime factors of the number 43,878,576?

 A: 2, 3, 7, 43, 3037

Why are those the prime factors of the number 43,878,576?

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 43,878,576

43,878,576
Factor Arrows
221,939,288
Factor Arrows
210,969,644
Factor Arrows
25,484,822
Factor Arrows
22,742,411
Factor Arrows
3914,137
Factor Arrows
7130,591
Factor Arrows
433,037

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, 7, 43, 3037

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 7 x 43 x 3,037 = 43,878,576

This can also be written as 24 x 31 x 71 x 431 x 3,0371 = 43,878,576

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


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