Q: What are the prime factors of the number 553,444,608?

 A: 2, 3, 131, 5501

Why are those the prime factors of the number 553,444,608?

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 553,444,608

553,444,608
Factor Arrows
2276,722,304
Factor Arrows
2138,361,152
Factor Arrows
269,180,576
Factor Arrows
234,590,288
Factor Arrows
217,295,144
Factor Arrows
28,647,572
Factor Arrows
24,323,786
Factor Arrows
22,161,893
Factor Arrows
3720,631
Factor Arrows
1315,501

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, 131, 5501

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 3 x 131 x 5,501 = 553,444,608

This can also be written as 28 x 31 x 1311 x 5,5011 = 553,444,608

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


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