Because they are tables of the numbers that are the result of "times"-ing a number.
Times tables
1182363544725906108712681449162101801119812216
No
None of the conventional times tables have 13 in them, because it is prime. The only times table that would have 13 and 39 in it would be the 13 times table!
Because they are tables of the numbers that are the result of "times"-ing a number.
Times tables
55 and its multiples. 1, 5, and 55 are all in both the 5 times and 11 times tables.
4,8,12,16,20,24,28,32,36,40,44,48,52,56,60,64,68,72,76,80,84,88,92,96,100
No, 86 is not in the 4 times tables. The 4 times tables consist of multiples of 4, starting from 4, 8, 12, 16, and so on. Since 86 is not a multiple of 4, it is not found in the 4 times tables.
The transum times tables website is amazing. You can learn so much from it.
number of prime numbers which are in the seven times tables: 1 prime numbers are in the seven times tables: 7 only
No, 49 is in the 7 times tables.
121 is not in the 2 times tables because it is an odd number.
This week I learned my 4,5 and 6 times tables.
No, 81 is not in the 2 times tables. In the 2 times tables, each number is multiplied by 2, resulting in even numbers. 81 is not an even number, as it is divisible by 3, making it part of the 3 times tables.
In times tables, 3 x 3 = 9, and 1 x 9 = 9.