**72, 138, 174, 420, 612, 702**

(a) Describe as many relationship(s) as you could about the numbers.

(b) Add 3 members to Family "TI" that satisfy the relationship(s) you described in (a)

- Are the numbers even or odd? or there is no pattern at all?
- Are there prime numbers in this family?
- What are these numbers divisible by?
- What are the common factors of these numbers? How do you find them?
- What is the highest common factor? How do you find it?
- What is the lowest common multiple? How do you find it?

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