Q: Is 2,121,672 a Prime Number?
A: No, 2,121,672 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 2121672 can be evenly divided by 1 2 3 4 6 7 8 12 14 21 24 28 42 56 73 84 146 168 173 219 292 346 438 511 519 584 692 876 1,022 1,038 1,211 1,384 1,533 1,752 2,044 2,076 2,422 3,066 3,633 4,088 4,152 4,844 6,132 7,266 9,688 12,264 12,629 14,532 25,258 29,064 37,887 50,516 75,774 88,403 101,032 151,548 176,806 265,209 303,096 353,612 530,418 707,224 1,060,836 and 2,121,672, with no remainder.
Since 2,121,672 cannot be divided by just 1 and 2,121,672, it is not a prime number.