Q: Is 1,209,400 a Prime Number?
A: No, 1,209,400 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 1209400 can be evenly divided by 1 2 4 5 8 10 20 25 40 50 100 200 6,047 12,094 24,188 30,235 48,376 60,470 120,940 151,175 241,880 302,350 604,700 and 1,209,400, with no remainder.
Since 1,209,400 cannot be divided by just 1 and 1,209,400, it is not a prime number.