Q: What are the prime factors of the number 276,401,510?

 A: 2, 5, 7, 11, 32633

Why are those the prime factors of the number 276,401,510?

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 276,401,510

276,401,510
Factor Arrows
2138,200,755
Factor Arrows
527,640,151
Factor Arrows
73,948,593
Factor Arrows
11358,963
Factor Arrows
1132,633

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, 5, 7, 11, 32633

We can check our work by multiplying all of the prime factors together: 2 x 5 x 7 x 11 x 11 x 32,633 = 276,401,510

This can also be written as 21 x 51 x 71 x 112 x 32,6331 = 276,401,510

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


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