Vedic / Quicker / Shortcut Math ⇒ Topic : Divisibility of a number by 8

Arjun
 
Three end digit of a number if divisible by 8 and last three digit is Zero then the number is divisible by 8. Example: 65415624000/8=8176953000. last three digit is Zero so the number is divisible by 8. Example: 32562984000/8=4070373000. last three digit is Zero so the number is divisible by 8. Example: 224256/8=28032 . last digit 256 is divisible by 8 so the total number should be divisible by 8. Example: 46045392000/8=5755674000. last three digit is Zero so the number is divisible by 8. Example: 46045392/8=5755674. last three digit number Divisible by 8.so the number is divisible by 8. Example: 2879632000/8=359954000. last three digit is Zero so the number is divisible by 8. Example: 33399944000/8=4174993000. last three digit is Zero so the number is divisible by 8. Example: 65415624/8=8176953. last three digit number Divisible by 8.so the number is divisible by 8. Example: 28796320/8=3599540. last three digit number Divisible by 8.so the number is divisible by 8. Example: 32562984/8=4070373. last three digit number Divisible by 8.so the number is divisible by 8. Example: 33399944/8=4174993. last three digit number Divisible by 8.so the number is divisible by 8. Note: So Before going to divisible by 8 any number, first check the condition of last three digit is divisible by 8 or last three digit is Zero.Than all numbers is divisible by 8.  
 
Pranav
 
Rule: If the last three digits of a number is divisible by 8, the number is also divisible by 8. Also, if the last three digits of a number are zeros, the number is divisible by 8.  
 
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