The multiple of 1-103 has () the factor of 1-1018 is () What is it

The multiple of 1-103 has () the factor of 1-1018 is () What is it

Within 10:
The multiples of 3 are 3, 6 and 9
The factors of 18 are 1, 2, 3, 6, 9, 18
Take it