Q: Is 4,027,420 a Prime Number?
A: No, 4,027,420 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 4027420 can be evenly divided by 1 2 4 5 10 20 79 158 316 395 790 1,580 2,549 5,098 10,196 12,745 25,490 50,980 201,371 402,742 805,484 1,006,855 2,013,710 and 4,027,420, with no remainder.
Since 4,027,420 cannot be divided by just 1 and 4,027,420, it is not a prime number.