Q: Is 2,135,420 a Prime Number?
A: No, 2,135,420 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 2135420 can be evenly divided by 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 490 980 2,179 4,358 8,716 10,895 15,253 21,790 30,506 43,580 61,012 76,265 106,771 152,530 213,542 305,060 427,084 533,855 1,067,710 and 2,135,420, with no remainder.
Since 2,135,420 cannot be divided by just 1 and 2,135,420, it is not a prime number.