PSLE Answer the following.
- What is the first common multiple of 4 and 6?
- List all the common factors of 26 and 65. Give your answers in numbers in ascending order. (Eg $(n1), $(n2), 4)
(a)
Multiples of 4: 4, 8, 12
Multiples of 6: 6, 12
First common multiple: 12
(b)
Factors of 26: 1, 2, 13, 26
Factors of 65: 1, 5, 13, 65
Common factors of 26 and 65: 1, 13
Answer(s): (a) 12; (b) 1, 13