Q: Is 436,400 a Prime Number?
A: No, 436,400 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 436400 can be evenly divided by 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 1,091 2,182 4,364 5,455 8,728 10,910 17,456 21,820 27,275 43,640 54,550 87,280 109,100 218,200 and 436,400, with no remainder.
Since 436,400 cannot be divided by just 1 and 436,400, it is not a prime number.