Question

find the first three common multiple of 4 and 7​

Answer 1

Answer:

4=4,8,12,16,20,24,28,32,36,40,44,48,52,56,60,64,68,72,76,80,84

7=7,14, 21,28 ,35,42,49,56,63,70,77,84

Common multiple: 28, 56, 84

Answer 2

ANSWER :-

The 1st Three Common Multiples of 4 & 7 are - 28, 56 and 112

EXPLANATION :-

First, List all the Multiples of 4 & 7 -

4 => 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60....

7 => 7, 14, 21, 28, 35, 42, 49, 56, 63, 70...

Then, find the LCM of 4 and 7 - The LCM is 28....

Then, List down the Multiples of 28 and 56 =

( I got 56 by finding the common numbers above)

28 => 28, 56, 84, 112, 140, 168, 196....

56 => 56, 112, 168, 224, 280...

As a multiple of 28 & 56, I got 112...

You'll get so many other numbers that are also Multiples of 4 and 7....