Q: What are the prime factors of the number 1,364,352?

 A: 2, 3, 11, 17, 19

Why are those the prime factors of the number 1,364,352?

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 1,364,352

1,364,352
Factor Arrows
2682,176
Factor Arrows
2341,088
Factor Arrows
2170,544
Factor Arrows
285,272
Factor Arrows
242,636
Factor Arrows
221,318
Factor Arrows
210,659
Factor Arrows
33,553
Factor Arrows
11323
Factor Arrows
1719

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, 11, 17, 19

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 11 x 17 x 19 = 1,364,352

This can also be written as 27 x 31 x 111 x 171 x 191 = 1,364,352

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


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