Q: Is 1,242,576 a Prime Number?
A: No, 1,242,576 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 1242576 can be evenly divided by 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 8,629 17,258 25,887 34,516 51,774 69,032 77,661 103,548 138,064 155,322 207,096 310,644 414,192 621,288 and 1,242,576, with no remainder.
Since 1,242,576 cannot be divided by just 1 and 1,242,576, it is not a prime number.