Q: Is 2,142,860 a Prime Number?
A: No, 2,142,860 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 2142860 can be evenly divided by 1 2 4 5 10 20 307 349 614 698 1,228 1,396 1,535 1,745 3,070 3,490 6,140 6,980 107,143 214,286 428,572 535,715 1,071,430 and 2,142,860, with no remainder.
Since 2,142,860 cannot be divided by just 1 and 2,142,860, it is not a prime number.