Q: What are the prime factors of the number 228,176,100?

 A: 2, 3, 5, 23, 73, 151

Why are those the prime factors of the number 228,176,100?

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 228,176,100

228,176,100
Factor Arrows
2114,088,050
Factor Arrows
257,044,025
Factor Arrows
319,014,675
Factor Arrows
36,338,225
Factor Arrows
51,267,645
Factor Arrows
5253,529
Factor Arrows
2311,023
Factor Arrows
73151

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, 3, 5, 23, 73, 151

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 5 x 5 x 23 x 73 x 151 = 228,176,100

This can also be written as 22 x 32 x 52 x 231 x 731 x 1511 = 228,176,100

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


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