Q: What are the prime factors of the number 542,114,100?

 A: 2, 3, 5, 11, 18253

Why are those the prime factors of the number 542,114,100?

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 542,114,100

542,114,100
Factor Arrows
2271,057,050
Factor Arrows
2135,528,525
Factor Arrows
345,176,175
Factor Arrows
315,058,725
Factor Arrows
35,019,575
Factor Arrows
51,003,915
Factor Arrows
5200,783
Factor Arrows
1118,253

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, 5, 11, 18253

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 5 x 5 x 11 x 18,253 = 542,114,100

This can also be written as 22 x 33 x 52 x 111 x 18,2531 = 542,114,100

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


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