Q: What are the prime factors of the number 254,126,484?

 A: 2, 3, 87149

Why are those the prime factors of the number 254,126,484?

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 254,126,484

254,126,484
Factor Arrows
2127,063,242
Factor Arrows
263,531,621
Factor Arrows
321,177,207
Factor Arrows
37,059,069
Factor Arrows
32,353,023
Factor Arrows
3784,341
Factor Arrows
3261,447
Factor Arrows
387,149

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, 87149

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 3 x 3 x 87,149 = 254,126,484

This can also be written as 22 x 36 x 87,1491 = 254,126,484

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


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