Q: What are the prime factors of the number 10,002,000?

 A: 2, 3, 5, 1667

Why are those the prime factors of the number 10,002,000?

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 10,002,000

10,002,000
Factor Arrows
25,001,000
Factor Arrows
22,500,500
Factor Arrows
21,250,250
Factor Arrows
2625,125
Factor Arrows
3208,375
Factor Arrows
541,675
Factor Arrows
58,335
Factor Arrows
51,667

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, 1667

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 5 x 5 x 5 x 1,667 = 10,002,000

This can also be written as 24 x 31 x 53 x 1,6671 = 10,002,000

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


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