Q: Is 2,113,731 a Prime Number?
A: No, 2,113,731 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 2113731 can be evenly divided by 1 3 9 19 47 57 141 171 263 423 789 893 2,367 2,679 4,997 8,037 12,361 14,991 37,083 44,973 111,249 234,859 704,577 and 2,113,731, with no remainder.
Since 2,113,731 cannot be divided by just 1 and 2,113,731, it is not a prime number.