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What kind of numbers are whole numbers greater than 1 but are not prime numbers?
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.
What numbers are relatively prime with 18?
Oh, dude, "relatively prime" just means two numbers have no common factors other than 1. So, numbers that are relatively prime with 18 are ones that don't share any factors with 18 besides 1. In this case, numbers like 1, 5, 7, 11, 13, 17, and so on are relatively prime with 18. It's like 18 is at a party, and these numbers are the cool kids who don't have any drama with it.
What prime numbers go into 18?
The prime numbers (factors) of 18 are: 2 and 3
How many pairs of prime numbers are there to express 18 as the sum of two prime numbers?
There are two pairs of prime numbers that express 18 as the sum of two prime numbers: 7 + 11 = 18 and 5 + 13 = 18.
A set of prime numbers less than 18?
Prime numbers are such number which are only divisible by 1 and by itself only..{1,2,3,5,7,11,13,17}
