Q: Is 2,506,540 a Prime Number?
A: No, 2,506,540 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 2506540 can be evenly divided by 1 2 4 5 10 20 23 46 92 115 230 460 5,449 10,898 21,796 27,245 54,490 108,980 125,327 250,654 501,308 626,635 1,253,270 and 2,506,540, with no remainder.
Since 2,506,540 cannot be divided by just 1 and 2,506,540, it is not a prime number.