ANSWER FOLLOWING- -WHAT IS CO-PRIME? -WHAT IS THE DIVISIBILITY RULE OF 11? -WHAT IS A PERFECT NUMBER? THE ANSWER WILL. BE MARKED AS BRAINLIEST AND THE WRONG ANSWERS WILL BE REPORTED!
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Q-1 What is co-prime?
➡In number theory, two integers a and b are said to be relatively prime, mutually prime, or coprime if the only positive integer that divides both of them is 1. Consequently, any prime number that divides one does not divide the other. This is equivalent to their greatest common divisor being 1.
Q-2 What is the divisbility rule of 11?
➡Divisibility rule for 11: If in any number the sum of the numbers in the even positions = sum of the odd numbers in the odd positions, then the number is divisible by 11. Alternatively, the difference of the sum of the numbers in even positions and the sum of the numbers in the odd positions = 11. Example 1: 9317.
Q-3What is a perfect number?
➡Perfect number, a positive integer that is equal to the sum of its proper divisors. The smallest perfect number is 6, which is the sum of 1, 2, and 3. Other perfect numbers are 28, 496, and 8,128. The discovery of such numbers is lost in prehistory..
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