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# Why cant number 5 be a prime number?

Updated: 10/25/2022

Wiki User

9y ago

But 5 is a Prime number because it has only two factors which are itself and one

Wiki User

9y ago

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Q: Why cant number 5 be a prime number?
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### What number's cant a prime number end in why?

Other than 2, no prime numbers are even. So prime numbers can't end in even numbers. After 5, no prime number can end in 5. After 5, all prime numbers end in 1, 3, 7 or 9.

### What is the smallest number that has prime factors of 2 5 and 7?

70 is the smallest number that has prime factors of 2,5 and 7

### Why is 169 not a prime number?

169 is not a prime number because it cant be evenly divided.

### What is a prime number of 5?

5 is a prime number.

### What is the prime factor of 293?

293 is a prime number, therefore the prime factorization of it would be 293, you cant do 293x1 because 1 is NOT a prime number therefore you cant do it because it wouldn't b a prime factorization that is your answer

### Is 5 a prime number?

yes 5 is a prime number,because it is divided by itself

### Why cant a multiple of 15 be a prime number?

A prime number has no factors other than 1 and itself. Each multiple of fifteen includes 3, 5, and 15 among its factors.

### What is the prime factor of 5?

5 is a prime number. It is only evenly divisible by itself and one.5 is a prime number, so the only prime factor of 5 is itself.5 is already a prime number; it has no factorization.

5 is prime.

### Why is 135 a composite number?

If 135 was a prime number its only factors would be 1 and 135, but by ending in a 5 that means 5 is a factor which means it cant be a prime number, so its factors are atleast (may be more) 1,5,27,135 which makes it composite.

### Which of 5 or 10 is the prime number?

5 is the prime number.

### Is 5 a prime or compisite number?

5 is a prime number.