Q: What are the prime factors of the number 343,353,120?

 A: 2, 3, 5, 11, 65029

Why are those the prime factors of the number 343,353,120?

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 343,353,120

343,353,120
Factor Arrows
2171,676,560
Factor Arrows
285,838,280
Factor Arrows
242,919,140
Factor Arrows
221,459,570
Factor Arrows
210,729,785
Factor Arrows
33,576,595
Factor Arrows
5715,319
Factor Arrows
1165,029

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, 65029

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 5 x 11 x 65,029 = 343,353,120

This can also be written as 25 x 31 x 51 x 111 x 65,0291 = 343,353,120

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


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