Q: Is 1,242,208 a Prime Number?
A: No, 1,242,208 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 1242208 can be evenly divided by 1 2 4 8 11 16 22 32 44 88 176 352 3,529 7,058 14,116 28,232 38,819 56,464 77,638 112,928 155,276 310,552 621,104 and 1,242,208, with no remainder.
Since 1,242,208 cannot be divided by just 1 and 1,242,208, it is not a prime number.