Q: What are the prime factors of the number 353,021,552?

 A: 2, 13, 31, 53, 1033

Why are those the prime factors of the number 353,021,552?

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 353,021,552

353,021,552
Factor Arrows
2176,510,776
Factor Arrows
288,255,388
Factor Arrows
244,127,694
Factor Arrows
222,063,847
Factor Arrows
131,697,219
Factor Arrows
3154,749
Factor Arrows
531,033

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, 13, 31, 53, 1033

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 13 x 31 x 53 x 1,033 = 353,021,552

This can also be written as 24 x 131 x 311 x 531 x 1,0331 = 353,021,552

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


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