2789 - 1298 = 1,491
It is: 700 = seven hundred
MMDCCLXXXIX(ie. 1000+1000+500+100+100+10+10+10+(1-10))
1300
108 remainder 3 :D
The number 2789 has no positive integer factors other than 1 and itself, and is therefore prime.
300
If you add 3896 and 2789 together and subtract that sum from 9370, you have 2685.
The total is 400.
697.25
100+100+2310 = 2510
YES!