Show map of USA. Haywood is an unincorporated community in Harrison County, West Virginia, United States. Haywood is located on West Virginia Route 20 0.5 miles (0.80 km) northeast of Lumberport. Haywood has a post office with ZIP code 26366.
prime polynomial. (mathematics). A polynomial whose only factors are itself and constants. 1  Facebook.
A prime number is a number whose only proper divisor is 1. Thus a prime number can be composed only of 1's. 17 and 29 are prime numbers. Again, 1 is a proper divisor of every number (except itself), but a prime number has 1 as its only proper divisor.