Q: Is 2,121,730 a Prime Number?
A: No, 2,121,730 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 2121730 can be evenly divided by 1 2 5 10 13 19 26 38 65 95 130 190 247 494 859 1,235 1,718 2,470 4,295 8,590 11,167 16,321 22,334 32,642 55,835 81,605 111,670 163,210 212,173 424,346 1,060,865 and 2,121,730, with no remainder.
Since 2,121,730 cannot be divided by just 1 and 2,121,730, it is not a prime number.