Q: Is 354,400 a Prime Number?
A: No, 354,400 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 354400 can be evenly divided by 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 443 800 886 1,772 2,215 3,544 4,430 7,088 8,860 11,075 14,176 17,720 22,150 35,440 44,300 70,880 88,600 177,200 and 354,400, with no remainder.
Since 354,400 cannot be divided by just 1 and 354,400, it is not a prime number.