Q: Is 1,604,500 a Prime Number?
A: No, 1,604,500 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 1604500 can be evenly divided by 1 2 4 5 10 20 25 50 100 125 250 500 3,209 6,418 12,836 16,045 32,090 64,180 80,225 160,450 320,900 401,125 802,250 and 1,604,500, with no remainder.
Since 1,604,500 cannot be divided by just 1 and 1,604,500, it is not a prime number.