Yes it goes into 63 7 times
1.3. 9
1, 3, 7, 9, 21, 63
The highest common factor of 81 and 63 is 9
1, 3, 9.
7 goes into 9 1 time with 2 remaining
1, 3, 7, 9, 21, 63.
1, 3, 7, 9, 21, 63.
7 x 7 = 49 7 x 9 = 63
1, 3, 9.
1 or 3 or 9
There are 9 weeks in 63 days.