Q: Is 265,580 a Prime Number?
A: No, 265,580 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 265580 can be evenly divided by 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 271 490 542 980 1,084 1,355 1,897 2,710 3,794 5,420 7,588 9,485 13,279 18,970 26,558 37,940 53,116 66,395 132,790 and 265,580, with no remainder.
Since 265,580 cannot be divided by just 1 and 265,580, it is not a prime number.