Q: Is 1,616,628 a Prime Number?
A: No, 1,616,628 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 1616628 can be evenly divided by 1 2 3 4 6 12 13 26 39 43 52 78 86 129 156 172 241 258 482 516 559 723 964 1,118 1,446 1,677 2,236 2,892 3,133 3,354 6,266 6,708 9,399 10,363 12,532 18,798 20,726 31,089 37,596 41,452 62,178 124,356 134,719 269,438 404,157 538,876 808,314 and 1,616,628, with no remainder.
Since 1,616,628 cannot be divided by just 1 and 1,616,628, it is not a prime number.