Q: Is 1,220,037 a Prime Number?
A: No, 1,220,037 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 1220037 can be evenly divided by 1 3 7 13 21 39 41 91 109 123 273 287 327 533 763 861 1,417 1,599 2,289 3,731 4,251 4,469 9,919 11,193 13,407 29,757 31,283 58,097 93,849 174,291 406,679 and 1,220,037, with no remainder.
Since 1,220,037 cannot be divided by just 1 and 1,220,037, it is not a prime number.