62 + 1 = 63
19/12 or 1 and 7/12
63 days is equal to 9 weeks.
Only 63. 0 and 1 are not composite numbers and are not prime numbers (even though 1 used to be). 19 is a prime number.
70
positive 18
63/7+1*6
5/9 + 5/7 = 35/63 + 45/63 = 80/63 or 1 20/63
The common factor of 19 and 63 is 1.
62 + 1 = 63
9 + 2 + 30 - 5 + 18 - 19 = -1
1 + 19 + 0 + 1 = 21
94
19/12 or 1 and 7/12
63 days is equal to 9 weeks.
Only 63. 0 and 1 are not composite numbers and are not prime numbers (even though 1 used to be). 19 is a prime number.
70