The multiples of 7 less than 30 are 7, 14, 21, and 28. The even ones are 14 and 28.
45 is a multiple of 5 less than 46. Others are 40, 35, 30 ..........10, 5, 0, -5, -10... forever.
greatest common factor is 15 greatest common prime factor is 5 Least common multiple is 30
9
215 - 30 = 185. So, 185 is 30 less than 215.
The greatest number that is less than 30 is 29.Becuase the only prime numbers that are less then 100 are:2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,59,61,67,71,73,79,83,89 and 97.So as you seen the greatest number that is less than 30 is 29.
29
29
28
29
There can never be a greatest common multiple. If a number, X, is claimed as the greatest common multiple, the 2X is a common multiple, and it is greater than X which contradicts X being the greatest.
30.
30
15, 30, 45
2,3,5,7,11,13,17,19,23,and 29
3 and 9.
The GCF of 18 and 30 is 6