(1) The two greatest common factors are 1 and the least common multiple is 143

The greatest common factor of 1 means that both numbers are prime and not 2
Because the least common multiple is 143, we can infer that 143 is the product of these two prime numbers
So we decompose 143 to get 11 and 13

RELATED INFORMATIONS

1. 48 and 60, 15 and 32, 11 and 88
2. If the greatest common factor of a and 18 is a, then their least common multiple is ()?
3. In a subtraction formula, the sum of the subtracted, subtracted and difference is 120. What is the difference
4. 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?
5. In a subtraction formula, the sum of the subtracted, the subtracted and the difference is 19.8. If the difference is 2.75, how much is the subtracted and how much is the subtracted? Yes
6. In a subtraction formula, the sum of the subtracted, the subtracted and the difference is 19.8. If the difference is 2.75, the subtracted is 19.8______ The subtracted is______ ．
7. In a subtraction formula, the sum of the subtracted, the subtracted and the difference is 19.8. If the difference is 2.75, the subtracted is 19.8______ The subtracted is______ ．
8. In a subtraction formula, the sum of the subtracted, the subtracted and the difference is 1800, and the difference is 19 times that of the subtracted. What is the difference?
9. In a subtraction formula, the sum of the subtracted, the subtracted and the difference is 19.8. If the difference is 2.75, the subtracted is 19.8______ The subtracted is______ ．
10. Training questions: two numbers minus, the difference is 126, the subtracted increased by 125, the subtracted decreased by 60, how much difference?
11. What is the greatest common factor of 91 and 13______ The least common multiple of 64 and 16 is______ ．
12. What are the greatest common factor and the least common multiple of 44 and 143? Quick return
13. The greatest common factor of 91 and 143 is () and the least common multiple is () Fill in the figures
14. The least common multiple and the greatest common factor of 39 and 91
15. The greatest common factor and the least common multiple of 36 and 84 Greatest common factor and least common multiple of 60 and 126
16. ① 11 and 54, ② 13 and 65, find the greatest common factor and the least common multiple
17. 8 and 26, 7 and 147, 13 and 9
18. 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______
19. A and B are coprime numbers. Their greatest common divisor is () and their least common multiple is ()
20. What is the greatest common divisor and the least common multiple of two coprime numbers?