I believe they are called composite numbers:
http://en.wikipedia.org/wiki/Composite_number
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I was just about to answer, but he answered first. It is a composite number. I am in 6th grade and we learned it this year.
All positive whole numbers over 1 can be classified either as prime or composite numbers. Those which are not prime are composite numbers, that is, numbers which are composed of several different factors.
11 is an odd and a prime number
31 is prime.
a prime number
Prime numbers.
Any number that is grater than 1 and is not prime is a composite number.
Composite.
Composite numbers.Example: 17- factors of 17...1 and 17- This is a prime number.Example: 18- factors of 18...1,2,3,6,9,18- This is a composite number.
There are more composite numbers than prime numbers, but there is no prime or composite number so great that you can't find a greater one of either kind.
Numbers that are positive and whole. Natural numbers.
A prime number is a positive whole number (a positive integer) that has exactly two unique positive divisors, 1 and the number itself.
prime number
37 isa natural numbera whole numberan integeran odd numbera prime numbera "lucky" numbera Padovan number
a prime number
All positive whole numbers over 1 can be classified either as prime or composite numbers. Those which are not prime are composite numbers, that is, numbers which are composed of several different factors.
prime
Mersenne prime is a kind of number - a prime. Being a number, it was not capable of discovering anything