1000 400 20 8
How about: 120+1.2 = 121.2
31 & 67
9 and 36
When you add two or more prime numbers you will only end up with a whole number and not a decimal number.
The two numbers that multiply to -15 and add up to 2 are 5 and -3. When you multiply 5 and -3, you get -15, and when you add them together, you get 2.
yes 1428/3 = 476 if you add numbers up and you can divide sum by 3 then it is divisible by 3 1+4+2+8 = 15 which is divisible by 3
5
37 & 41
How about: 120+1.2 = 121.2
Pairs of prime numbers which add up to 82 are:3 + 7911 + 7123 + 5929 + 5341 + 41
I am not sure if any two consecutive numbers can add up to an even number.
31 & 67
13 & 17
9 and 36
16
4 and 9.
When you add two or more prime numbers you will only end up with a whole number and not a decimal number.