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13 is a Prime number because it has only two factors which are itself and one.
What else can I help you with?
What goes into 13?
The only numbers that divide 13 evenly (the factors of 13) are 1 and 13.This makes 13 a prime number.
What are the next two numbers in this pattern 6 13 27 55?
6,13,27,55, 111, 223 ... Here is why: 6 + (1x7) makes 13 13 + (2x7) makes 27 27 + (4x7) makes 55 55 + (8x7) makes 111 111 + (16x7) makes 223 Or this way explains the answer using powers of 2: (7x20)-1 makes 6 (7x21)-1 makes 13 (7x22)-1 makes 27 (7x23)-1 makes 55 (7x24)-1 makes 111 (7x25)-1 makes 223
How do you know when 2 events are complementary?
which two of these three events are complementary? a. The probablity that a student makes more than 13 mistakes is .32 B. The probability that a student makes 3 or more mistakes is .56 C. The probability that a student makes at most 13 mistakes is .68
What is the sum of the integers between 1 and 300 that are 11 or 13?
The question makes no sense.. you can easily find the sum of integers between 1 and 300 but what does 11 or 13 have to do with it.
Find two factors of 42 with a sum of 13?
Hint: review your multiplication table-- does not 42 ring a bell? What times what makes 42? Is their sum 13? ?? bingo!!
What times what makes 13?
13 x 1
13 plus what makes 1?
13+(-12) = 1
What number squared makes 169?
13 squared (13 x 13) = 169
What goes into 13?
The only numbers that divide 13 evenly (the factors of 13) are 1 and 13.This makes 13 a prime number.
What makes a teen?
When they reach the age of 13!
What times what makes 65?
5 x 13
How many peso makes a dollar?
13 or 12
What times what makes it 52?
4 x 13
What times what makes 39?
13 x 3
What makes the Pythagorean triple of 5 and 12?
It is: 13
What number when added to 8 makes 13?
5
What times what makes 52?
4 x 13
