# Mathematical Algorithms | Divisibility and Large Numbers

**Recent Articles on Divisibility !****Recent Articles on Large Numbers !**

- Check if a large number is divisible by 3 or not
- Number of digits to be removed to make a number divisible by 3
- Find whether a given integer is a power of 3 or not
- Check if a large number is divisible by 4 or not
- Count rotations divisible by 4
- Number of substrings divisible by 4 in a string of integers
- Check if a large number is divisible by 6 or not
- Prove that atleast one of three consecutive even numbers is divisible by 6
- Sum of all numbers divisible by 6 in a given range
- Number of substrings divisible by 6 in a string of integers
- Print digit’s position to be removed to make a number divisible by 6
- Check divisibility by 7
- To check whether a large number is divisible by 7
- Remainder with 7 for large numbers
- Count rotations divisible by 8
- Given a large number, check if a subsequence of digits is divisible by 8
- Check if a large number is divisible by 9 or not
- Decimal representation of given binary string is divisible by 10 or not
- Check if a large number is divisible by 11 or not
- Program to find remainder when large number is divided by 11
- Divisibility by 12 for a large number
- Check if a large number is divisible by 13 or not
- Check if a large number is divisibility by 15
- Check if a large number is divisible by 20
- Number is divisible by 29 or not
- Check if a larger number divisible by 36
- Divisible by 37 for large numbers
- To check divisibility of any large number by 999
- Sub-string Divisibility by 3 Queries
- Sub-string Divisibility by 11 Queries
- Queries for counts of multiples in an array
- Check if a number is multiple of 5 without using / and % operators
- Smallest number divisible by first n numbers
- Divide a big number into two parts that differ by k
- Sum of n digit numbers divisible by a given number
- Count n digit numbers divisible by given number
- Find set of m-elements with difference of any two elements is divisible by k
- Largest number by which given 3 numbers should be divided such that they leaves same remainder
- Difference of two large numbers
- Sum of two large numbers
- Find Last Digit Of a^b for Large Numbers
- Divide large number represented as string
- Multiply Large Numbers represented as Strings
- Writing power function for large numbers
- Recursive sum of digit in n^x, where n and x are very large
- Check whether given floating point number is even or odd
- Smallest n digit number divisible by given three numbers
- Largest number that divides x and is co-prime with y
- Program to compute division upto n decimal places
- Find element in array that divides all array elements
- Program for quotient and remainder of big number
- Given a HUGE number check if it’s a power of two
- Print k numbers where all pairs are divisible by m
- 9’s complement of a decimal number
- Divide number into two parts divisible by given numbers
- Smallest K digit number divisible by X
- Largest K digit number divisible by X
- Rearrangement of a number which is also divisible by it
- Find the number closest to n and divisible by m
- Divisibility by 3 where each digit is the sum of all prefix digits modulo 10
- Count the numbers divisible by ‘M’ in a given range
- Number of Groups of Sizes Two Or Three Divisible By 3
- Find if a number is divisible by every number in a list
- Count of m digit integers that are divisible by an integer n
- Biggest number by arranging numbers in certain order
- Large Fibonacci Numbers in Java
- Nth Square free number
- Refactorable number
- Find the largest multiple of 3 from array of digits | Set 2 (In O(n) time and O(1) space)
- Partition a number into two divisble parts
- Count natural numbers whose factorials are divisible by x but not y
- Compute (a*b)%c such that (a%c) * (b%c) can be beyond range

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