Q: What are the prime factors of the number 743,258,418?

 A: 2, 3, 7, 31, 570859

Why are those the prime factors of the number 743,258,418?

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 743,258,418

743,258,418
Factor Arrows
2371,629,209
Factor Arrows
3123,876,403
Factor Arrows
717,696,629
Factor Arrows
31570,859

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, 31, 570859

We can check our work by multiplying all of the prime factors together: 2 x 3 x 7 x 31 x 570,859 = 743,258,418

This can also be written as 21 x 31 x 71 x 311 x 570,8591 = 743,258,418

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


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