Q: Is 248,540 a Prime Number?
A: No, 248,540 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 248540 can be evenly divided by 1 2 4 5 10 17 20 34 43 68 85 86 170 172 215 289 340 430 578 731 860 1,156 1,445 1,462 2,890 2,924 3,655 5,780 7,310 12,427 14,620 24,854 49,708 62,135 124,270 and 248,540, with no remainder.
Since 248,540 cannot be divided by just 1 and 248,540, it is not a prime number.