Q: What are the prime factors of the number 43,150,464?

 A: 2, 3, 7, 5351

Why are those the prime factors of the number 43,150,464?

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 43,150,464

43,150,464
Factor Arrows
221,575,232
Factor Arrows
210,787,616
Factor Arrows
25,393,808
Factor Arrows
22,696,904
Factor Arrows
21,348,452
Factor Arrows
2674,226
Factor Arrows
2337,113
Factor Arrows
3112,371
Factor Arrows
337,457
Factor Arrows
75,351

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, 5351

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 3 x 7 x 5,351 = 43,150,464

This can also be written as 27 x 32 x 71 x 5,3511 = 43,150,464

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


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