Q: Is 355,424 a Prime Number?
A: No, 355,424 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 355424 can be evenly divided by 1 2 4 8 16 29 32 58 116 232 383 464 766 928 1,532 3,064 6,128 11,107 12,256 22,214 44,428 88,856 177,712 and 355,424, with no remainder.
Since 355,424 cannot be divided by just 1 and 355,424, it is not a prime number.