Question

Find the smallest number that is exactly divisible by 840 ,630 945 and 378.

Answer 1

Step-by-step explanation:

Answer: 3 is the smallest number that is exactly divisible by all the four numbers.

Step-by-step explanation:

It is divisible by all the numbers because the divisibility rule of 3 itself tells us that if the sum of the digits of a number, then the whole number is divisible by 3 and the digits of these numbers are a multiple of 3.

8+4+0 = 12 = 3*4

6+3+0 = 9 = 3*3

9+4+5 = 18 = 3*6

3+7+8 = 18 = 3*6

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