Q: Is 509,740 a Prime Number?
A: No, 509,740 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 509740 can be evenly divided by 1 2 4 5 7 10 11 14 20 22 28 35 44 55 70 77 110 140 154 220 308 331 385 662 770 1,324 1,540 1,655 2,317 3,310 3,641 4,634 6,620 7,282 9,268 11,585 14,564 18,205 23,170 25,487 36,410 46,340 50,974 72,820 101,948 127,435 254,870 and 509,740, with no remainder.
Since 509,740 cannot be divided by just 1 and 509,740, it is not a prime number.