Q: Is 1,201,428 a Prime Number?
A: No, 1,201,428 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 1201428 can be evenly divided by 1 2 3 4 6 9 12 18 23 36 46 69 92 138 207 276 414 828 1,451 2,902 4,353 5,804 8,706 13,059 17,412 26,118 33,373 52,236 66,746 100,119 133,492 200,238 300,357 400,476 600,714 and 1,201,428, with no remainder.
Since 1,201,428 cannot be divided by just 1 and 1,201,428, it is not a prime number.