Q: Is 1,097,840 a Prime Number?
A: No, 1,097,840 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 1097840 can be evenly divided by 1 2 4 5 8 10 16 20 40 80 13,723 27,446 54,892 68,615 109,784 137,230 219,568 274,460 548,920 and 1,097,840, with no remainder.
Since 1,097,840 cannot be divided by just 1 and 1,097,840, it is not a prime number.