Q: Is 1,554,500 a Prime Number?
A: No, 1,554,500 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 1554500 can be evenly divided by 1 2 4 5 10 20 25 50 100 125 250 500 3,109 6,218 12,436 15,545 31,090 62,180 77,725 155,450 310,900 388,625 777,250 and 1,554,500, with no remainder.
Since 1,554,500 cannot be divided by just 1 and 1,554,500, it is not a prime number.