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# Why the longest string of prime factors for 30 is 1x2x1x3x1x5?

Updated: 11/3/2022

Wiki User

12y ago

Its so because you add 1 and one times a number equals that number

Wiki User

12y ago

Wiki User

9y ago

It's not. 1 isn't a Prime number. Try 2 x 3 x 5.

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Q: Why the longest string of prime factors for 30 is 1x2x1x3x1x5?
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Related questions

### Why is 1x2x1x3x1x5 not the longest string of prime factors?

Because 1 isn't prime.

### What is the longest string of prime factors?

The prime factorization.

### The longest string of factors for a number?

The prime factorization.

2x3x5

### How do you know you have the biggest factor string?

When all of the factors are prime. The longest factor string is the prime factorization.

### How do you know when you have found the longest string of factors for a number?

When all the factors are prime.

### What is the longest string of prime factors for 30 and why?

The longest string of prime factors for 30 is 2 x 3 x 5 because there isn't a prime factor string that's longer.

### What is the longest factor string for 600?

Find the prime factors first.

### What are the longest factor string for 840 and explain why?

The longest factor string for 840 is its prime factorization because prime factors can't be broken down any further.

### What is the longest string of prime factors for 30?

the longest string of prime factor for 30 is 2 x 3 x 5

### How many longest strings of factors are there for a given number?

For composite numbers, only one string of factors is the longest; the prime factorization.

### How do you know when you have found the longest factor string for a number?

All of the factors are prime.