klalalalala klalalalala

05-09-2015
Mathematics

contestada

why is every number with a 5 in the ones place not prime

Respuesta :

05-09-2015

Well, not exactly EVERY one of them. The number ' 5 ' is a prime. But all the others are multiples of 5, so they're not primes.

Answer Link

05-09-2015

Every number that ends with a 5, besides 5, is not a prime number because it is divisible by 5. Prime numbers are only divisible by themselves and 1.

Answer Link

Otras preguntas

Locate the gerund and identify its use.Wrestling alligators seems both foolish and dangerous.

Genetic crosses Question:A brown coat is dominant to a white coat in cattle. A farmer has a brown bull. How would you determine whether the bull is a heteroz

Work out the number that is halfway between 27 times 38 and 33 times 38.Show your working out aswell.

Why was there growing involvement of the USA in Europe in the years 1945-48 ??

Work out the number that is halfway between 27 times 38 and 33 times 38.Show your working out aswell.

how are the themes and topics different

How long did mummification go for poor Egyptians?

Genetic crosses Question:A brown coat is dominant to a white coat in cattle. A farmer has a brown bull. How would you determine whether the bull is a heteroz

Factor completely, the expression: 2x^3-2x^2-12x

A sequence has an initial value of 10 and each term is twice the previous term. Which function models this sequence?1) a(n)=10(2)^n2) a(n)=10(2)^n-13) a(n)=10+2