The GCF is 2.
The number 36.
60 and all its multiples
24 and 28 have a GCF of 4.
The GCF of 24 and 28 is 4.
2, 4, & 66 is the greatest cmmon factor
60 15 and 4 have no common factors, so the LCM must be at least their product. The number 30 does not introduce any additional factors, so the LCM is 60.
The common factors of 4, 12, and 30 are 1 and 2.
14 = 2*7 30 = 2*3*5 4 = 2*2 The number that these share is one 2, so the least common factor is 2.
24 and 28
There is an infinite number of common multiples for 20 and 30. A common multiple of any two or more numbers is any number into which each of two or more numbers can be divided evenly (zero remainder).
The Least Common Multiple (LCM) for 12 30 4 is 60.
36 3 x 12 = 36 4 x 9 = 36