Q: Is 4,099,428 a Prime Number?
A: No, 4,099,428 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 4099428 can be evenly divided by 1 2 3 4 6 9 12 18 23 36 46 69 92 138 207 276 414 828 4,951 9,902 14,853 19,804 29,706 44,559 59,412 89,118 113,873 178,236 227,746 341,619 455,492 683,238 1,024,857 1,366,476 2,049,714 and 4,099,428, with no remainder.
Since 4,099,428 cannot be divided by just 1 and 4,099,428, it is not a prime number.