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Find the smallest number that is divisible by the following number 4,6,8and10​

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Answer:

To find the least four digit number which is divisible by 4,6,8 and 10, follow these steps :

Step-1 : Factorization of each number

4=2×2

6=2×3

8=2×2×2

10=2×5

Step-2: Find the LCM of 4,6,8 and 10

LCM of 4,6,8 and 10=2×2×2×5×3=120

Hence,LCM=120.

Step-3: To find the least 4 digit number divisible by 4,6,8 and 10.

Now, Generally the least four digit number is 1000 ..But the LCM is 120 of 4,6,8 and 10.

now, 120 ×7=840

120×8=960

120×9=1080

1080 is the final answer . Hence , 1080 is the least four digit number which is divisible by 4,6,8 and 10.

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