Q: Is 1,089,978 a Prime Number?
A: No, 1,089,978 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 1089978 can be evenly divided by 1 2 3 6 389 467 778 934 1,167 1,401 2,334 2,802 181,663 363,326 544,989 and 1,089,978, with no remainder.
Since 1,089,978 cannot be divided by just 1 and 1,089,978, it is not a prime number.