① 11 and 54, ② 13 and 65, find the greatest common factor and the least common multiple

RELATED INFORMATIONS

• 1. The greatest common factor and the least common multiple of 36 and 84 Greatest common factor and least common multiple of 60 and 126
• 2. The least common multiple and the greatest common factor of 39 and 91
• 3. The greatest common factor of 91 and 143 is () and the least common multiple is () Fill in the figures
• 4. What are the greatest common factor and the least common multiple of 44 and 143? Quick return
• 5. What is the greatest common factor of 91 and 13______ The least common multiple of 64 and 16 is______ ．
• 6. (1) The two greatest common factors are 1 and the least common multiple is 143
• 7. 48 and 60, 15 and 32, 11 and 88
• 8. If the greatest common factor of a and 18 is a, then their least common multiple is ()?
• 9. In a subtraction formula, the sum of the subtracted, subtracted and difference is 120. What is the difference
• 10. In a subtraction formula, the sum of the subtracted, the subtracted and the difference is 120, and the difference is three times of the subtracted. So what is the subtraction?
• 11. 8 and 26, 7 and 147, 13 and 9
• 12. Say the greatest common divisor and the least common multiple of each group. 26 and 13______ &Nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; 13 and 6______ &Nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; 4 and 6______ &5 and 9______ &Nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; 29 and 87______ &Nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; 30 and 15______ &Nbsp; 13, 26 and 52______ &Nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; 2, 3 and 7______
• 13. A and B are coprime numbers. Their greatest common divisor is () and their least common multiple is ()
• 14. What is the greatest common divisor and the least common multiple of two coprime numbers?
• 15. A and B are coprime numbers, and their greatest common factor is______ The least common multiple is______ ．
• 16. A and B are coprime numbers, and their greatest common factor is______ The least common multiple is______ ．
• 17. A and B are coprime numbers, and their greatest common factor is______ The least common multiple is______ ．
• 18. What is the relationship between the greatest common divisor of two numbers and the least common multiple?
• 19. The greatest common factor of two numbers is 15, and the least common multiple is 360. The difference between the two numbers is 75
• 20. A = 2 × 3 × 5, B = 2 × 3 × 3, the greatest common divisor of a and B is (), and the least common multiple is ()