Q: Is 2,731,420 a Prime Number?
A: No, 2,731,420 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 2731420 can be evenly divided by 1 2 4 5 10 20 41 82 164 205 410 820 3,331 6,662 13,324 16,655 33,310 66,620 136,571 273,142 546,284 682,855 1,365,710 and 2,731,420, with no remainder.
Since 2,731,420 cannot be divided by just 1 and 2,731,420, it is not a prime number.