Q: What are the prime factors of the number 1,194,264?

 A: 2, 3, 19, 97

Why are those the prime factors of the number 1,194,264?

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 1,194,264

1,194,264
Factor Arrows
2597,132
Factor Arrows
2298,566
Factor Arrows
2149,283
Factor Arrows
349,761
Factor Arrows
316,587
Factor Arrows
35,529
Factor Arrows
31,843
Factor Arrows
1997

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, 19, 97

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 3 x 19 x 97 = 1,194,264

This can also be written as 23 x 34 x 191 x 971 = 1,194,264

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


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