1. 1 goes into itslef once (1x1=1.) 1 goes into 20, 20 times(1x20=20.)
Exactly 27 times
1, 3, 9, 27.
It is only 1
27 * 19 = 27*(20 - 1) = 27*20 - 27*1 = 27*2*10 - 27 = 54*10 - 27 = 540 - 27 = 540 - 30 + 3 = 510 + 3 = 513
The GCF for 20 and 27 is 1.
It goes 20 times because 20*1 = 20
1. 1 goes into itslef once (1x1=1.) 1 goes into 20, 20 times(1x20=20.)
The GCF is 1.
Exactly 27 times
The factors of 20 are: 1, 2, 4, 5, 10, 20The factors of 27 are: 1, 3, 9, 27
The HCF of 27 and 80 is 1
1, 3, 9, 27.
The factors of 27 are: 1, 3, 9, 27 The factors of 120 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120 The common factors are: 1, 3
The number 1.
Just 1
It is only 1