104
Both 10 and 20 are two-digit numbers that are factors of 20.
To find the multiples of any number, multiply it by successive counting numbers.
No, 2 and 10 are factors of 20. The LCM of 2 and 10 is 10.
The only common factor between them is 1, so just multiply the numbers together: 77 x 20 = 1540
36
The numbers are: -1 and -20
The two numbers that add to -8 and multiply to -20 are -10 and 2. This is because -10 + 2 = -8 and -10 * 2 = -20. These numbers satisfy both conditions simultaneously.
83
360
20
The numbers are: 20 and -48
-1597
64
-262
736
1660
83