Q: What are the prime factors of the number 515,741,184?

 A: 2, 3, 7, 59, 271

Why are those the prime factors of the number 515,741,184?

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 515,741,184

515,741,184
Factor Arrows
2257,870,592
Factor Arrows
2128,935,296
Factor Arrows
264,467,648
Factor Arrows
232,233,824
Factor Arrows
216,116,912
Factor Arrows
28,058,456
Factor Arrows
24,029,228
Factor Arrows
22,014,614
Factor Arrows
21,007,307
Factor Arrows
3335,769
Factor Arrows
3111,923
Factor Arrows
715,989
Factor Arrows
59271

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, 7, 59, 271

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 2 x 2 x 3 x 3 x 7 x 59 x 271 = 515,741,184

This can also be written as 29 x 32 x 71 x 591 x 2711 = 515,741,184

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


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