1 x 18, 2 x 9, 3 x 6, 6 x 3, 9 x 2, 18 x 1
18 and 6.
5 and 41 are prime numbers but 18 is a composite number
There are two pairs of prime numbers that express 18 as the sum of two prime numbers: 7 + 11 = 18 and 5 + 13 = 18.
The numbers which divide 2 and 9 are indirectly divisible by 18.
5+6+7=18
The prime numbers (factors) of 18 are: 2 and 3
1,2,3,6,9 & 18
18
1,2,3,6,9 & 18 !
9 and 18. 9+18=27. 18 divided by 2=9.
You can multiply the number 18 by different numbers that are relatively prime, for example by different prime numbers.
The sum of the prime numbers 2, 5, and 11 is 18.