0
Anonymous
They are: 7 14 21 28 35 42 49 .... etc by adding 7 each time
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7 is a Prime number and is only divisible by 1 and 7.
1 and 7.
1, 5, 11, 55, 121, 605
All the numbers ending with 0,2,4,6,8 are divisible by 2.
7 to the 6
The GCF is 7.
49/7 = 7/7 = 1 7 x 7 = 49