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The only Prime number that ends in a 5 is 5 itself. All the other positive integers that end in 5 are divisible by 5 and therefore not prime.
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∙ 12y ago
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Why can't 22334455 be a prime number?
The only prime number that ends in 5 is 5.
Explain why 45 is not a prime number?
Any number that ends with the digit 5 is divisible by 5.Any number that ends with the digit 5 is divisible by 5.Any number that ends with the digit 5 is divisible by 5.Any number that ends with the digit 5 is divisible by 5.
Why is 5 the only prime number that ends with 5?
because all other numbers that end with 5 are divided by 5, in which case they are not prime!
Is 85 prime?
NO!!! '85' is not a prime , because it ends in '5' and so will divide by '5'. Hence '85' is a compound number.
Is 1755 a prime number?
No, and one of the first giveaways would be that it ends in a 5.
Why 28655 isn't a prime number?
The only prime number that ends in 5 is 5.
Why can't 22334455 be a prime number?
The only prime number that ends in 5 is 5.
Is 95 and 55 prime?
Every number greater than 5 that ends in a 5 is a composite number, not a prime.
Is 235 a prime number?
The number is bigger than 5 but ends in 5 so it is divisible by 5. Therefore it cannot be a prime.
Is 10565 a prime number or a composite number?
Any number that ends with 5 is divisible by 5.
Is the number 615 a prime number?
Any number that ends with the digit 5 is divisible by 5.
Is the number 15 a prime or composite number?
The number is bigger than 5 but ends in 5 so it is divisible by 5. So it cannot be prime.
What is the prime number nearest to 85?
85 is not a prime number as it is divisible by 5. Anything that ends with 5 is divisible by 5. The nearest prime number to 85 is 83 or 87.
Is 35 a prime?
Any number that ends with 5 is a multiple of 5.
Is 185 a prime number?
No. Since it ends with 5, it is divisible by 5.
Is 12035 prime?
No, if a number ends in a 5 then it must be divisible by 5.
Is 325 a prime number?
Any number that ends with 0 or 5 is divisible by 5.
