Q.

Find the common factors of 15 and 25.

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a

1,3

b

3,5

c

1,5

d

1,15 

answer is C.

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Detailed Solution

Concept- A whole number that is a factor of two or more numbers has been referred to as a common factor. Multiples and factors are related to one another. A number's factor is the number that divides it in half entirely with no remainder. We can write p multiplie by q is equal to z to represent any given number. Z is a multiple of p and q, as stated below. P and q are factors of z according to the concept of factors and multiples since z may be divided by both p and q.
Factors of Question ImageFactors of Question ImageTherefore, common factors of 15 and 25Question Image.
Hence, the correct answer is option 3) 1,5.
 
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Find the common factors of 15 and 25.