0
Add your answer:
Earn +20 pts
Is 2310 prime?
no number ending in 0 is prime.
Is 25 a prime or composite number and explain?
As 25 is ending with 5 then it can be divided by 5 then 25 is not a prime number Any number ending with 0 or 5 ca be divided by 5, the ones ending by 0 can be divided by 10
Why can a prime number not have a 0 as it's last digit?
That is because primality is not defined for 0. Any larger number ending in 0 is divisible by 10 and so cannot be prime.
Is 12345678910 a prime number?
12345678910 a not a prime number because any number ending in 0 has 2 and 5 as factors as well as 1 and the number itself.
Is 1988 a prime number?
2 is the only prime number that is an even number. Any number ending in 2, 4, 6, 8, or 0 is an even number, so 1988 is not a prime number.
Is 2310 prime?
no number ending in 0 is prime.
Is 2180 a prime number?
Trivially no. No number ending in 0 can be prime.
Is 25 a prime or composite number and explain?
As 25 is ending with 5 then it can be divided by 5 then 25 is not a prime number Any number ending with 0 or 5 ca be divided by 5, the ones ending by 0 can be divided by 10
Why can a prime number not have a 0 as it's last digit?
That is because primality is not defined for 0. Any larger number ending in 0 is divisible by 10 and so cannot be prime.
Is 400000 a prime number?
no any number ending in 0 can at least be divided by 5 and 10
Is 510 a prime number?
No, any number ending in 0 is an even number and can therefore be divided by 2. A prime number can ONLY be divided by 1 and itself.
Is 12345678910 a prime number?
12345678910 a not a prime number because any number ending in 0 has 2 and 5 as factors as well as 1 and the number itself.
Is 1988 a prime number?
2 is the only prime number that is an even number. Any number ending in 2, 4, 6, 8, or 0 is an even number, so 1988 is not a prime number.
Is 45 prime?
No 45 is composite and not prime. 5 is the only number ending with 5 who is prime.This is because any other number ending in 5 is a multiple of 5 and hence composite.Same if true of 10, 20 and all those numbers ending in 0 except 0 itself.
Why don't prime numbers greater than 10 end in 5 or 0?
Any number ending in 5 that isn't 5 is a multiple of 5. Any number ending in zero is even. The only even prime number is 2.
Is 55 compostie or prime and why?
As 55 is ending by 5 then it can be divided by 5 then it's not a prime number Numbers ending by 0 and 5 can be divided by 5 55 = 5 x 11
Why is it that any 3 digit number that ends in 0 or 2 or 4 or 5 or 6 or 8 cannot be prime?
A prime number is evenly divisible only by itself and one. Any three digit number ending in 0, 2, 4, 6, or 8 is evenly divisible by 2 - so not a prime Any three digit number ending in 5 is divisible by 5, so not a prime number. The only even prime number is 2. The only prime number that ends in 5 is 5.
