Number Theory – 48 Questions

Mixed Review Find the greatest common factor of each set of numbers. 1. 60 and 84 2. 21 and 28 3. 61 and 99 4. 5, 15, and 40 5. 20 and 50 6. 42 and 11 7. 70 and 85 8. 42, 60, and 78 9. 55 and 90 List 3 multiples of each…

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