Q: What are the prime factors of the number 145,541,504?

 A: 2, 227, 5009

Why are those the prime factors of the number 145,541,504?

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 145,541,504

145,541,504
Factor Arrows
272,770,752
Factor Arrows
236,385,376
Factor Arrows
218,192,688
Factor Arrows
29,096,344
Factor Arrows
24,548,172
Factor Arrows
22,274,086
Factor Arrows
21,137,043
Factor Arrows
2275,009

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, 227, 5009

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 227 x 5,009 = 145,541,504

This can also be written as 27 x 2271 x 5,0091 = 145,541,504

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


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