What are the divisibility criteria ?
ฝัง
- เผยแพร่เมื่อ 20 ต.ค. 2024
- What are the divisibility criteria?
Divisibility criteria are rules for knowing whether a number is divisible by another.
Summary:
A number is divisible by 2:
If it ends in 0; 2; 4; 6; 8 (These are even numbers)
A number is divisible by 3 :
If the sum of its digits is divisible by 3
A number is divisible by 4 :
If the number formed by its last two digits (the tens digit and the units digit) is divisible by 4 or if it ends with 00
A number is divisible by 5 :
If it ends in 0 or 5
A number is divisible by 9 :
If the sum of its digits is divisible by 9
A number is divisible by 10 :
If it ends in 0
A number is divisible by 25 :
If it ends with 00 or 25 or 50 or 75
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