Department of Mathematics and Statistics


Find the Prime Factors of a Number:

A prime number is any number with no divisors other than itself and 1, such as 2 and 11. Any number can be written as a product of prime numbers in a unique way (except for the order).

  • Enter a number (with a maximum of 17 digits):
    
    


  • Washington University in St. Louis
    Department of Mathematics and Statistics
    Campux Box 1146
    St. Louis, MO 63130
    Phone: (314) 935-6760   FAX: (314) 935-6839.