1&30 2&15 3&10 5&6
The factor pairs of 150 are 1*150, 2*75, 3*50, 5*30, 6*25, and 10*15
15 and 15000 have a greatest common factor of 15
The factor pairs of 57 are 3x19 and 1x57
The factor pairs of 343 are (343,1) and (49,7)
30 has four factor pairs:30,115,210,36,5
30,115,210,36,5
(30,1)(15,2)(10,3)(6,5)
24
(15,2)(10,3)
1&30 2&15 3&10 5&6
The factor pairs of 150 are 1*150, 2*75, 3*50, 5*30, 6*25, and 10*15
(y + 3)(y - 10)
1,30 2,15 3,10 5,6
(30,1)(15,2)(10,3)(6,5)
21 and 28
Yes. Factor pairs are always repeated across pairs since factor pairs are certain kinds of pairs.