You can try it out. If you multiply them together, and you get 88, then they are a factor pair; if you get something else, they aren't.
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88 | \ 44 2 | \ 22 2 | \ 11 2
The factors of 704 are: 1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 176, 352, 704.The seven factor pairs are:factor pair = 704,1factor pair = 352,2factor pair = 176,4factor pair = 88,8factor pair = 64,11factor pair = 44,16factor pair = 32,22
No, 11 is a factor of 88.
Factors of 16: 1, 2, 4, 8, 16 Factors of 88: 1, 2, 4, 8, 11, 22, 44, 88 Common factors: 1, 2, 4, 8 → greatest common factor is 8
Since 12 is a factor of 108, it is automatically the GCF.