No.
1, 7, 31, 217
Yes. 31 is a prime number so it is divisible by 1 and itself.
No it is not divisible by 7
155, 310, 465 are all divisible by both 5 and 31. Keep adding 155 to find more numbers divisible by both 5 and 31.
No
1, 7, 31, 217
21 is divisible by 3 and 7, so it is composite. 91 is divisible by 7 and 13, so it is composite. 51 is divisible by 3 and 17. 31 is divisible by only 1 and itself, so it is the prime number.
Yes, not evenly, quotient is 7 and remainder is 3
No, 31 is not evenly divisible by 9.
31 is not evenly divisible by 6.
1, 3, 7, 21, 31, 93, 217, 651.
1, 2, 7, 14, 31, 62, 217, 434.
1, 31, 263, 8153.
7 is not divisible by 104 and 104 is not divisible by 7.
Not only is 119 divisible by 7 but it is evenly divisible by 7.
Yes. 31 is a prime number so it is divisible by 1 and itself.
No it is not divisible by 7