Lesson 2 (02) Investigation - Family "RE"

Family "RE":
75, 305, 200, 130, 155, 550

(a) Describe as many relationship(s) as you could about the numbers.
(b) Add 3 members to Family "RE" 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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