| 
 | 
Definition of Legendre symbol
1. Noun. (number theory) Mathematical function of an integer and a prime, written , indicating whether ''a'' is a square modulo ''p''. ¹
¹ Source: wiktionary.com
| 
 | 
1. Noun. (number theory) Mathematical function of an integer and a prime, written , indicating whether ''a'' is a square modulo ''p''. ¹
¹ Source: wiktionary.com