Q: What are the prime factors of the number 53,319,552?

 A: 2, 3, 11, 13, 971

Why are those the prime factors of the number 53,319,552?

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 53,319,552

53,319,552
Factor Arrows
226,659,776
Factor Arrows
213,329,888
Factor Arrows
26,664,944
Factor Arrows
23,332,472
Factor Arrows
21,666,236
Factor Arrows
2833,118
Factor Arrows
2416,559
Factor Arrows
3138,853
Factor Arrows
1112,623
Factor Arrows
13971

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, 13, 971

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 13 x 971 = 53,319,552

This can also be written as 27 x 31 x 111 x 131 x 9711 = 53,319,552

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


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