Q: Is 511,980 a Prime Number?
A: No, 511,980 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 511980 can be evenly divided by 1 2 3 4 5 6 7 10 12 14 15 20 21 23 28 30 35 42 46 53 60 69 70 84 92 105 106 115 138 140 159 161 210 212 230 265 276 318 322 345 371 420 460 483 530 636 644 690 742 795 805 966 1,060 1,113 1,219 1,380 1,484 1,590 1,610 1,855 1,932 2,226 2,415 2,438 3,180 3,220 3,657 3,710 4,452 4,830 4,876 5,565 6,095 7,314 7,420 8,533 9,660 11,130 12,190 14,628 17,066 18,285 22,260 24,380 25,599 34,132 36,570 42,665 51,198 73,140 85,330 102,396 127,995 170,660 255,990 and 511,980, with no remainder.
Since 511,980 cannot be divided by just 1 and 511,980, it is not a prime number.