Q: What are the prime factors of the number 1,969,488?

 A: 2, 3, 47, 97

Why are those the prime factors of the number 1,969,488?

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 1,969,488

1,969,488
Factor Arrows
2984,744
Factor Arrows
2492,372
Factor Arrows
2246,186
Factor Arrows
2123,093
Factor Arrows
341,031
Factor Arrows
313,677
Factor Arrows
34,559
Factor Arrows
4797

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, 47, 97

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 3 x 47 x 97 = 1,969,488

This can also be written as 24 x 33 x 471 x 971 = 1,969,488

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


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