' 1 ' is the only common factor of 15 and 7 .
35
14
42,84,126
The LCM is: 42
It is: 252
There are no common factors of 15 because there cannot be common factors without two or more numbers to compare. Common factors are factors that the numbers being compared have in common.The factors of 15 are 1, 3, 5, and 15.Examples:The common factors of 6 and 15 are 1 and 3.The common factors of 15 and 90 are 1, 3, 5, and 15.1,5,3, and 15.
105 is the product of 15 and 7 since 15 x 7 = 105. As 15 and 7 have no common factor except 1, their lowest common multiple is when they are multiplied together, that is 105. The LCM of any two numbers is their product divided by their highest common factor.
The Highest Common Factor is 1
The GCF is 1.
Since 15 is a factor of 45, its factors are the common factors of 15 and 45. The factors of 15 are 1, 3, 5, and 15. The factors of 45 are 1, 3, 5, 9, 15, and 45. The factors they have in common are 1, 3, 5, and 15.
The factors of 15 are 11, 3, 5 and 15. For them to be common, they need to be compared to another set of factors.
The factors of 15 are 1, 3, 5, 15. For them to be common, they need to be compared to another set of factors.