Q: What are the prime factors of the number 511,035,248?

 A: 2, 19, 31, 211, 257

Why are those the prime factors of the number 511,035,248?

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 511,035,248

511,035,248
Factor Arrows
2255,517,624
Factor Arrows
2127,758,812
Factor Arrows
263,879,406
Factor Arrows
231,939,703
Factor Arrows
191,681,037
Factor Arrows
3154,227
Factor Arrows
211257

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, 19, 31, 211, 257

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 19 x 31 x 211 x 257 = 511,035,248

This can also be written as 24 x 191 x 311 x 2111 x 2571 = 511,035,248

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


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