20 is not divisible by 18.
No. If they are even numbers and not 2, they are not prime. 20 is divisible by 1, 2, 4, 5, 20, and 20. 18 is divisible by 1, 2, 3, 6, 9, and 18.
No. The fraction 18/20 can be simplified to 9/10, because both 18 and 20 are divisible by two.
5
138 is not divisible by 18.
18 is not divisible by 5 and 7.
-- Neither 2 nor 5 is divisible by 18. -- 18 is divisible by 2, but not by 5.
All multiples of 18 are divisible by 9. Not all multiples of 9 are divisible by 18.
20 over 72.[divide by 4]5 over 18[5 is prime, 18 is not divisible by 5; no further simplification possible]
No. 293 is not evenly divisible by 20.
No. 24 is not evenly divisible by 20.
18 is divisible by 1, 2, 3, 6, 9, and 18.
2 4 6 8 10 12 14 16 18 20