Q: Is 277,628 a Prime Number?
A: No, 277,628 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 277628 can be evenly divided by 1 2 4 13 19 26 38 52 76 247 281 494 562 988 1,124 3,653 5,339 7,306 10,678 14,612 21,356 69,407 138,814 and 277,628, with no remainder.
Since 277,628 cannot be divided by just 1 and 277,628, it is not a prime number.