## When P 1 is divided by p where p is a prime number the remainder is p 1?

It simply states that for a prime number ‘p’, (p-1)! will give a remainder of (p – 1) when it is divided by p. In other words, let’s say we consider the prime number 5. Then, 4! when divided by 5 will give a remainder of 24 mod 5 or 4.

**Who discovered the statement p 1 )! 1 is divisible by p whenever p is prime?**

In 1770 Edward Waring announced the following theorem by his former student John Wilson. Wilson’s Theorem. Let p be an integer greater than one. p is prime if and only if (p-1)!

**What is p prime number?**

A prime number is a positive integer with exactly two positive divisors. If p is a prime then its only two divisors are necessarily 1 and p itself, since every number is divisible by 1 and itself. The first ten primes are 2, 3, 5, 7, 11, 13, 17, 19, 23, 29.

### What is the remainder when 209 is divided by 422?

Hence the remainder is zero.

**How do you prove 3 is prime?**

Note that in such case, we can write 3=a2+b2 for some integers a,b. But the squares modulo 4 are 0,1; and they add up to 0,1,2, and 3 is equivalent to none of 0,1,2 modulo 4. More generally, if p is a prime with p≡3mod4, then p is prime in Z[i].

**What is the remainder of a prime number that has p-1?**

As p is a prime number. p is divisible by either p or 1. It will never get divided and will give remainder as (p-1). The answer will be (p – 1). But, this is a practical answer.

#### How do you find the remainder when dividing by 10?

First, if a number is being divided by 10, then the remainder is just the last digit of that number. Similarly, if a number is being divided by 9, add each of the digits to each other until you are left with one number (e.g., 1164 becomes 12 which in turn becomes 3), which is the remainder.

**What is the remainder of K for k = 1?**

Using the Wilson’s theorem, we can say that: Using the Chinese remainder theorem, we can say that the remainder will be equal to: It gets satisfied for k = 1 and so, the remainder will be 198. 7) 95! mod 485 =?

**How many times does 24 divide $p^2 -1 $?**

Now, $p$ is not a multiple of 3, so either $p-1$ or $p+1$ is a multiple of three. So $3$ divides $p^2-1$. Together, it follows that 24 divides $p^2 -1 $. Share Cite