Q: What are the prime factors of the number 353,441,076?

 A: 2, 3, 61, 173, 2791

Why are those the prime factors of the number 353,441,076?

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 353,441,076

353,441,076
Factor Arrows
2176,720,538
Factor Arrows
288,360,269
Factor Arrows
329,453,423
Factor Arrows
61482,843
Factor Arrows
1732,791

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, 61, 173, 2791

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 61 x 173 x 2,791 = 353,441,076

This can also be written as 22 x 31 x 611 x 1731 x 2,7911 = 353,441,076

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


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