Q: What are the prime factors of the number 10,162,620?

 A: 2, 3, 5, 13, 43, 101

Why are those the prime factors of the number 10,162,620?

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 10,162,620

10,162,620
Factor Arrows
25,081,310
Factor Arrows
22,540,655
Factor Arrows
3846,885
Factor Arrows
3282,295
Factor Arrows
556,459
Factor Arrows
134,343
Factor Arrows
43101

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, 13, 43, 101

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 5 x 13 x 43 x 101 = 10,162,620

This can also be written as 22 x 32 x 51 x 131 x 431 x 1011 = 10,162,620

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


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