Q: What are the prime factors of the number 433,494,440?

 A: 2, 5, 73, 148457

Why are those the prime factors of the number 433,494,440?

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 433,494,440

433,494,440
Factor Arrows
2216,747,220
Factor Arrows
2108,373,610
Factor Arrows
254,186,805
Factor Arrows
510,837,361
Factor Arrows
73148,457

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, 5, 73, 148457

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 73 x 148,457 = 433,494,440

This can also be written as 23 x 51 x 731 x 148,4571 = 433,494,440

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


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