1, 2, 5 and 10
Factors of 90: 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90.Factors of 80: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80.GCF (90, 80) = 10
The common factors of 45 and 90 are 1,3,5
The Least Common Multiple of 70, 80, and 90 is 5,040.
The common factors of 55 and 80 are 1 and 5
19 and 90 have no common prime factors.
The Greatest Common Factor of 80, 85, 90: 5
The common factors of 36 and 80 are: 1, 2, and 4
The common factors of 68 and 80 are 1, 2 and 4.
Since 45 is a factor of 90, all of its factors are common.
Least Common Multiple (LCM) for 80 90 is 720
The LCM (lowest common factor) of 80 85 90 excluding one is 5.
The common factors are: 1, 5