Q: Is 121,900 a Prime Number?
A: No, 121,900 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 121900 can be evenly divided by 1 2 4 5 10 20 23 25 46 50 53 92 100 106 115 212 230 265 460 530 575 1,060 1,150 1,219 1,325 2,300 2,438 2,650 4,876 5,300 6,095 12,190 24,380 30,475 60,950 and 121,900, with no remainder.
Since 121,900 cannot be divided by just 1 and 121,900, it is not a prime number.