Q: What are the prime factors of the number 55,883,776?

 A: 2, 13, 2099

Why are those the prime factors of the number 55,883,776?

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 55,883,776

55,883,776
Factor Arrows
227,941,888
Factor Arrows
213,970,944
Factor Arrows
26,985,472
Factor Arrows
23,492,736
Factor Arrows
21,746,368
Factor Arrows
2873,184
Factor Arrows
2436,592
Factor Arrows
2218,296
Factor Arrows
2109,148
Factor Arrows
254,574
Factor Arrows
227,287
Factor Arrows
132,099

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, 13, 2099

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 2 x 2 x 2 x 2 x 13 x 2,099 = 55,883,776

This can also be written as 211 x 131 x 2,0991 = 55,883,776

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


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