Q: What are the prime factors of the number 276,576?

 A: 2, 3, 43, 67

Why are those the prime factors of the number 276,576?

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 276,576

276,576
Factor Arrows
2138,288
Factor Arrows
269,144
Factor Arrows
234,572
Factor Arrows
217,286
Factor Arrows
28,643
Factor Arrows
32,881
Factor Arrows
4367

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, 43, 67

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 43 x 67 = 276,576

This can also be written as 25 x 31 x 431 x 671 = 276,576

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


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