Q: What are the prime factors of the number 353,421,296?

 A: 2, 17, 1299343

Why are those the prime factors of the number 353,421,296?

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 353,421,296

353,421,296
Factor Arrows
2176,710,648
Factor Arrows
288,355,324
Factor Arrows
244,177,662
Factor Arrows
222,088,831
Factor Arrows
171,299,343

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, 17, 1299343

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 17 x 1,299,343 = 353,421,296

This can also be written as 24 x 171 x 1,299,3431 = 353,421,296

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


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