Q: Is 277,420 a Prime Number?
A: No, 277,420 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 277420 can be evenly divided by 1 2 4 5 10 11 13 20 22 26 44 52 55 65 97 110 130 143 194 220 260 286 388 485 572 715 970 1,067 1,261 1,430 1,940 2,134 2,522 2,860 4,268 5,044 5,335 6,305 10,670 12,610 13,871 21,340 25,220 27,742 55,484 69,355 138,710 and 277,420, with no remainder.
Since 277,420 cannot be divided by just 1 and 277,420, it is not a prime number.