2,058
42, 44, 45, 46, 48, 49.
42
One and seven.
By inspection, the only two numbers between 40 and 50 that have a GCF of 7 are 42 and 49.Another way to work out this problem is to list the multiples of 7. They are:7, 14, 21, 28, 35, 42, 49, 56, ...The values between 40 and 50 are 42 and 49.
42 & 49 !
There are four such numbers: 35, 42, 49 and 56.
The two numbers are 42 and 49.
2,058
The composite numbers between 41 and 50 are: 42, 44, 45, 46, 48, 49, 50.
42, 44, 45, 46, 48, 49.
42, 44, 45, 46, 48, 49, 50
42 and 49 !
1 and 49
1, 7, 49.
1344 is a multiple of 42. 42 is a factor of 1344. Factors go into numbers, numbers go into multiples.
42 and 49 6*7 = 42 7*7 = 49 6+7 =13