Q: What are the prime factors of the number 605,674,454?

 A: 2, 7, 11, 29, 12329

Why are those the prime factors of the number 605,674,454?

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 605,674,454

605,674,454
Factor Arrows
2302,837,227
Factor Arrows
743,262,461
Factor Arrows
113,932,951
Factor Arrows
11357,541
Factor Arrows
2912,329

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, 7, 11, 29, 12329

We can check our work by multiplying all of the prime factors together: 2 x 7 x 11 x 11 x 29 x 12,329 = 605,674,454

This can also be written as 21 x 71 x 112 x 291 x 12,3291 = 605,674,454

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


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