Q: What are the prime factors of the number 355,040,048?

 A: 2, 11, 101, 19973

Why are those the prime factors of the number 355,040,048?

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 355,040,048

355,040,048
Factor Arrows
2177,520,024
Factor Arrows
288,760,012
Factor Arrows
244,380,006
Factor Arrows
222,190,003
Factor Arrows
112,017,273
Factor Arrows
10119,973

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, 11, 101, 19973

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 11 x 101 x 19,973 = 355,040,048

This can also be written as 24 x 111 x 1011 x 19,9731 = 355,040,048

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


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