Find the greatest no of 5 digits exactly divisible by 2,4,6,8,10
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Hi ,
Find the LCM of 2 , 4 , 6 , 8 , 10
2 | 2 , 4 , 6 , 8 , 10
__________________
2 | 1 , 2 , 3 , 4 , 5
_________________
2 | 1 , 1 , 3 , 2 , 5
LCM = 2 × 2 × 2 × 3 × 2 × 5
= 120
Now ,
Divide greatest 5 digit number with
120 ,.
99999/120 = 833 ( integral part )
Required number = 833 × 120
= 99960
Therefore ,
Greatest 5 digit number which is
exactly divisible by 2 , 4 , 6 , 8 , 10 is
99960
I hope this helps you.
: )
Find the LCM of 2 , 4 , 6 , 8 , 10
2 | 2 , 4 , 6 , 8 , 10
__________________
2 | 1 , 2 , 3 , 4 , 5
_________________
2 | 1 , 1 , 3 , 2 , 5
LCM = 2 × 2 × 2 × 3 × 2 × 5
= 120
Now ,
Divide greatest 5 digit number with
120 ,.
99999/120 = 833 ( integral part )
Required number = 833 × 120
= 99960
Therefore ,
Greatest 5 digit number which is
exactly divisible by 2 , 4 , 6 , 8 , 10 is
99960
I hope this helps you.
: )
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