Q: What are the prime factors of the number 443,315,550?

 A: 2, 3, 5, 67, 44111

Why are those the prime factors of the number 443,315,550?

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 443,315,550

443,315,550
Factor Arrows
2221,657,775
Factor Arrows
373,885,925
Factor Arrows
514,777,185
Factor Arrows
52,955,437
Factor Arrows
6744,111

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, 5, 67, 44111

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 5 x 67 x 44,111 = 443,315,550

This can also be written as 21 x 31 x 52 x 671 x 44,1111 = 443,315,550

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


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