Saved Bookmarks
| 1. |
Divisibility rule from 1 to 10 |
| Answer» DIVISIBILITY by 1Rule 1: Every integer n is divisible by 1.Divisibility by 2Rule 2: An integer n is divisible by 2 if and only if n is even, i.e., the last digit of n is either 0, 2, 4, 6, or 8.Divisibility by 3Rule 3: An integer n is divisible by 3 if and only if the sum of the digits of n is divisible by 3.Divisibility by 4Rule 4: An integer n is divisible by 4 if and only if the NUMBER formed by the last two digits of n is divisible by 4.Divisibility by 5Rule 5: An integer n is divisible by 5 if and only if the last digit of n is either 0 or 5.Divisibility by 6Rule 6: An integer n is divisible by 6 if and only if it is divisible by both 2 and 3, i.e., n is even and the sum of the digits of n is divisible by 3.Divisibility by 7Rule 7: An integer n is divisible by 7 if and only if the number formed by removing the last digit of n subtract the number formed by two MULTIPLIED by the last digit of n is divisible by 7.Divisibility by 8Rule 8: An integer n is divisible by 8 if and only if n is even, n2 is even, and n4 is even.Divisibility by 9Rule 9: An integer n is divisible by 9 if and only if the sum of the digits of n is divisible by 9.Divisibility by 10Rule 10: An integer hope thi will help you...Tell me how useful it is??by marking brain list and likes... | |