13 and 17
13 x 17 = 221
8x19
13 and 17: 221 = 13 x 17
221 is equal to 2,097,162. To find this, you would need to multiply 2 by 2, 21 times.
No it is not a prime number, because you can multiply 13 and 17 together and get 221 13x17=221
13 x 17 = 221
221
to multiply 2 digit numbers together you would firstly set out a solider sum like this 34 x 47 then you would do the 7 column like normal 34 47 221 then for the 4 column you would add a magic 0 to the end like then add up 221 and 1360 and u would get 1581 34 47 221 1360 1581
There are no two primes whose sum is 221.
8x19
13 and 17: 221 = 13 x 17
You can multiply any numbers together.
221 is equal to 2,097,162. To find this, you would need to multiply 2 by 2, 21 times.
No it is not a prime number, because you can multiply 13 and 17 together and get 221 13x17=221
When you multiply 2 negative numbers the answer will be positive, ALWAYS
Since both 13 and 17 are prime numbers, just multiply them. 13 x 17 = 221.
Factors. example: 2 x 2 = 4 there, 2 and 2 are the 2 numbers you multiply, factors are the numbers you multiply together. It can be more that 2 factors.