Q: What are the prime factors of the number 43,521,552?

 A: 2, 3, 19, 15907

Why are those the prime factors of the number 43,521,552?

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 43,521,552

43,521,552
Factor Arrows
221,760,776
Factor Arrows
210,880,388
Factor Arrows
25,440,194
Factor Arrows
22,720,097
Factor Arrows
3906,699
Factor Arrows
3302,233
Factor Arrows
1915,907

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, 15907

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 19 x 15,907 = 43,521,552

This can also be written as 24 x 32 x 191 x 15,9071 = 43,521,552

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


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