Q: What are the prime factors of the number 3,523,000?

 A: 2, 5, 13, 271

Why are those the prime factors of the number 3,523,000?

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 3,523,000

3,523,000
Factor Arrows
21,761,500
Factor Arrows
2880,750
Factor Arrows
2440,375
Factor Arrows
588,075
Factor Arrows
517,615
Factor Arrows
53,523
Factor Arrows
13271

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, 5, 13, 271

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 5 x 5 x 13 x 271 = 3,523,000

This can also be written as 23 x 53 x 131 x 2711 = 3,523,000

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


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