Previous Prime
Description
The command previous_prime(a) returns the prime previous to $a$.
Sage Cell
Code
a = 10^21
previous_prime(a)
Options
None
Tags
Primary Tags: number theory
Secondary Tags: primes
Related Cells
- The Modulus Operator
- The Quotient-Remainder Method
- The Divides Method
- The Greatest Common Divisor Command
- The Extended Greatest Common Divisor Command
- The Is-Prime Method
- The Random Prime Command
- The Prime Range Command
- The Next Prime Command
- The Factor Command
Attribute
Permalink: http://abstract.ups.edu/aata/integers-sage.html
Author: R. Beezer
Date: 15 Jul 2017 09:00
Submitted by: Tom Judson