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.
1 x 78, 2 x 39, 3 x 26, 6 x 13 = 78
Times tables
3 x 13
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
3x13=39
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.
(39 x 26) + (39 x 13) = 39 x 39 = 1521