Q: Is 2,421,512 a Prime Number?
A: No, 2,421,512 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 2421512 can be evenly divided by 1 2 4 8 19 38 76 89 152 178 179 356 358 712 716 1,432 1,691 3,382 3,401 6,764 6,802 13,528 13,604 15,931 27,208 31,862 63,724 127,448 302,689 605,378 1,210,756 and 2,421,512, with no remainder.
Since 2,421,512 cannot be divided by just 1 and 2,421,512, it is not a prime number.