The greatest common factor and the least common multiple of 21 and 36

The greatest common factor and the least common multiple of 21 and 36

The greatest common factor of 21 and 36 is 3, and the least common multiple is 252

The least common multiple of 21 and 36, the least common multiple of 20 and 25, the least common multiple of 15 and 12 are dying!

21=3X7
36=3X3X4
The minimum is: 3x7x3x4 = 252
20=2X2X5
25=5X5
The minimum is: 2x2x5x5 = 100
15=3X5
12=3X4
The minimum is: 3x4x5 = 60

Seek 21 and 15, 48 and 36, 75, 25 and 10, seek the greatest common divisor and the least common multiple!
Seek 21 and 15.48 and 36.75, 25 and 10, seek the greatest common divisor and the least common multiple!

The greatest common divisor of 21 and 15 is 3 and the least common multiple is 105
The greatest common divisor of 48 and 36 is 12, and the least common multiple is 144
The greatest common divisor of 25 and 10 is 5 and the least common multiple is 50