LCM of 21 & 49 is 147, so all multiples of 147 are common multiples of 21 & 49.
Multiples of 49.
They are: 47+2 = 49
60 and 80
Multiples of 49: 49,98,147,196,245,294,343,392,441,etc.
A multiple has to be equal to or larger than the number itself, so there are no multiples for 359 that are between 49 and 95. 359 is a prime number, so it has no factors between 49 and 95 either.
Multiples 21: 1,3,7,21Multiples 49: 1,7,49
LCM of 21 & 49 is 147, so all multiples of 147 are common multiples of 21 & 49.
Multiples of 49.
They are: 47+2 = 49
The factors are 1, 7 and 49. The multiples are 0, 49, 98, 147, 196 ... (just keep adding 49)
60 and 80
Multiples of 49: 49,98,147,196,245,294,343,392,441,etc.
It is: 49 times 49 = 2401
How about 80
2
They can be and are.