1 x 49, 7 x 7, 49 x 1
No. They are a factor pair for 40, since 8 x 5 = 40. They are not factors of 49, so they cannot be a factor pair of 49.
No. Try 40.
337
factor pair = 1512,1 factor pair = 756,2 factor pair = 504,3 factor pair = 378,4 factor pair = 252,6 factor pair = 216,7 factor pair = 189,8 factor pair = 168,9 factor pair = 126,12 factor pair = 108,14 factor pair = 84,18 factor pair = 72,21 factor pair = 63,24 factor pair = 56,27 factor pair = 54,28 factor pair = 42,36
factor pair = 650,1 factor pair = 325,2 factor pair = 130,5 factor pair = 65,10 factor pair = 50,13 factor pair = 26,25
factor pair = 36,1 factor pair = 18,2 factor pair = 12,3 factor pair = 9,4 factor pair = 6,6
factor pair = 90,1 factor pair = 45,2 factor pair = 30,3 factor pair = 18,5 factor pair = 15,6 factor pair = 10,9 Doctor Chuck Mathdoc
factor pair = 76,1 factor pair = 38,2 factor pair = 19,4
Factor tree for 49:49/ \7 x 7497,7
Factor: 49 = 7(7)
factor pair = 10852, 1 factor pair = 5426, 2 factor pair = 2713, 4
The greatest common factor of 49 and 343 is 49.