Q: Is 511,740 a Prime Number?
A: No, 511,740 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 511740 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 2,843 5,686 8,529 11,372 14,215 17,058 25,587 28,430 34,116 42,645 51,174 56,860 85,290 102,348 127,935 170,580 255,870 and 511,740, with no remainder.
Since 511,740 cannot be divided by just 1 and 511,740, it is not a prime number.