Q: Is 245,740 a Prime Number?
A: No, 245,740 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 245740 can be evenly divided by 1 2 4 5 10 11 20 22 44 55 110 220 1,117 2,234 4,468 5,585 11,170 12,287 22,340 24,574 49,148 61,435 122,870 and 245,740, with no remainder.
Since 245,740 cannot be divided by just 1 and 245,740, it is not a prime number.