Q: What are the prime factors of the number 43,073,776?

 A: 2, 59, 103, 443

Why are those the prime factors of the number 43,073,776?

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 43,073,776

43,073,776
Factor Arrows
221,536,888
Factor Arrows
210,768,444
Factor Arrows
25,384,222
Factor Arrows
22,692,111
Factor Arrows
5945,629
Factor Arrows
103443

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, 59, 103, 443

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 59 x 103 x 443 = 43,073,776

This can also be written as 24 x 591 x 1031 x 4431 = 43,073,776

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


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