Q: What are the prime factors of the number 2,037,168?

 A: 2, 3, 7, 43, 47

Why are those the prime factors of the number 2,037,168?

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 2,037,168

2,037,168
Factor Arrows
21,018,584
Factor Arrows
2509,292
Factor Arrows
2254,646
Factor Arrows
2127,323
Factor Arrows
342,441
Factor Arrows
314,147
Factor Arrows
72,021
Factor Arrows
4347

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, 43, 47

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 7 x 43 x 47 = 2,037,168

This can also be written as 24 x 32 x 71 x 431 x 471 = 2,037,168

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


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