Q: What are the prime factors of the number 23,153,248?

 A: 2, 19, 113, 337

Why are those the prime factors of the number 23,153,248?

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 23,153,248

23,153,248
Factor Arrows
211,576,624
Factor Arrows
25,788,312
Factor Arrows
22,894,156
Factor Arrows
21,447,078
Factor Arrows
2723,539
Factor Arrows
1938,081
Factor Arrows
113337

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, 113, 337

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 19 x 113 x 337 = 23,153,248

This can also be written as 25 x 191 x 1131 x 3371 = 23,153,248

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


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