Q: What are the prime factors of the number 2,514,176?

 A: 2, 7, 23, 61

Why are those the prime factors of the number 2,514,176?

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 2,514,176

2,514,176
Factor Arrows
21,257,088
Factor Arrows
2628,544
Factor Arrows
2314,272
Factor Arrows
2157,136
Factor Arrows
278,568
Factor Arrows
239,284
Factor Arrows
219,642
Factor Arrows
29,821
Factor Arrows
71,403
Factor Arrows
2361

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, 7, 23, 61

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 7 x 23 x 61 = 2,514,176

This can also be written as 28 x 71 x 231 x 611 = 2,514,176

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


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