Q: Is 1,321,860 a Prime Number?
A: No, 1,321,860 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 1321860 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 30 60 22,031 44,062 66,093 88,124 110,155 132,186 220,310 264,372 330,465 440,620 660,930 and 1,321,860, with no remainder.
Since 1,321,860 cannot be divided by just 1 and 1,321,860, it is not a prime number.