Q: What are the prime factors of the number 18,759,296?

 A: 2, 17, 37, 233

Why are those the prime factors of the number 18,759,296?

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 18,759,296

18,759,296
Factor Arrows
29,379,648
Factor Arrows
24,689,824
Factor Arrows
22,344,912
Factor Arrows
21,172,456
Factor Arrows
2586,228
Factor Arrows
2293,114
Factor Arrows
2146,557
Factor Arrows
178,621
Factor Arrows
37233

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, 37, 233

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 17 x 37 x 233 = 18,759,296

This can also be written as 27 x 171 x 371 x 2331 = 18,759,296

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


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