Q: Is 2,142,516 a Prime Number?
A: No, 2,142,516 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 2142516 can be evenly divided by 1 2 3 4 6 12 19 38 57 76 114 228 9,397 18,794 28,191 37,588 56,382 112,764 178,543 357,086 535,629 714,172 1,071,258 and 2,142,516, with no remainder.
Since 2,142,516 cannot be divided by just 1 and 2,142,516, it is not a prime number.