There is an infinite number of common multiples for 3 and 7. 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).
42,84,126
3, 6, 9 and so on. 5, 10, 15 and so on. 7, 14, 21 and so on. Common multiples include, 105, 210, 315 and so on.
Since all 3 are prime numbers LCM = 3 * 5 * 7 = 105 All multiples of 105 are multiples of 3, 5 and 7
The Highest Common Factor is 1
6,12,18 are the common multiples of 3 and 6
The common multiples of 3 and 16 are all multiples of their LCM, which is 48. Thus, their common multiples are 48, 96, 144, 192, 240, 288, etc.
Multiples of 3 include 3, 6, 9, 12, 15 and so on. For them to be common, they need to be compared to another set of multiples.
To start with the 3 common multiples of 5 they are........10,15,and 25the 3 common multiples of 3 are.........15,30,and 45hope this helped=)
35
14
Their product.
21