Only 1 and 13 because it is a Prime number
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Using algebra the number works out as 25
11*13=143
Factors are numbers you can multiply together to get another number. 65: 1, 5, 13, 65
13 is a prime number13 is a prime number, because there are no two numbers that multiply to get 13.It is a prime number because no number can go into it or be multiplied and the answer be 13.Only two numbers go into 13.The two numbers:1;13One and thirteen (itself)1 is neither prime or composite.So concluding, 13 is a prime number.
How about: 13 times 13 = 169