Q: What are the prime factors of the number 435,154,254?

 A: 2, 3, 31, 163, 463

Why are those the prime factors of the number 435,154,254?

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 435,154,254

435,154,254
Factor Arrows
2217,577,127
Factor Arrows
372,525,709
Factor Arrows
312,339,539
Factor Arrows
3175,469
Factor Arrows
163463

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, 31, 163, 463

We can check our work by multiplying all of the prime factors together: 2 x 3 x 31 x 31 x 163 x 463 = 435,154,254

This can also be written as 21 x 31 x 312 x 1631 x 4631 = 435,154,254

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


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