Q: Is 3,420,725 a Prime Number?
A: No, 3,420,725 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 3420725 can be evenly divided by 1 5 7 11 25 35 55 77 175 275 385 1,777 1,925 8,885 12,439 19,547 44,425 62,195 97,735 136,829 310,975 488,675 684,145 and 3,420,725, with no remainder.
Since 3,420,725 cannot be divided by just 1 and 3,420,725, it is not a prime number.