The two smallest possible numbers that Martin is thinking of is 30 and 60.
The highest common factor (HCF) is found by finding all common factors of two numbers and selecting the largest one.
The lowest common multiple(LCM) of two or more numbers is the smallest number among all common multiples of the given numbers.
The two numbers have an HCF of 6.
The Lowest Common Multiple (LCM) of the two numbers is a multiple of 15.
Multiple of 15 are 15, 30, 45, 60, 75, 90, 105, 120, 135, 150, 165, 180.
HCF = 6
Therefore, the two smallest possible numbers that Martin is thinking of is 30 and 60.
learn more on HCF and LCF here: https://brainly.com/question/16907910
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