Q: What are the prime factors of the number 1,970,460?

 A: 2, 3, 5, 41, 89

Why are those the prime factors of the number 1,970,460?

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 1,970,460

1,970,460
Factor Arrows
2985,230
Factor Arrows
2492,615
Factor Arrows
3164,205
Factor Arrows
354,735
Factor Arrows
318,245
Factor Arrows
53,649
Factor Arrows
4189

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, 5, 41, 89

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 5 x 41 x 89 = 1,970,460

This can also be written as 22 x 33 x 51 x 411 x 891 = 1,970,460

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


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