Q: Is 3,421,400 a Prime Number?
A: No, 3,421,400 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 3421400 can be evenly divided by 1 2 4 5 8 10 20 25 40 50 100 200 17,107 34,214 68,428 85,535 136,856 171,070 342,140 427,675 684,280 855,350 1,710,700 and 3,421,400, with no remainder.
Since 3,421,400 cannot be divided by just 1 and 3,421,400, it is not a prime number.