Posted by **miki** on Thursday, October 18, 2012 at 8:19pm.

Derek wrote 8,9,12 and 15 on the black board. Which pairs of theses numbers are relatively prime?

my answer is 8,and 9. and 8,15.

am i right if not please tell me the answers.

- 6th grade math -
**Ms. Sue**, Thursday, October 18, 2012 at 8:22pm
I agree.

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