Question

the common factor of 25, 35 and 45 is​

Answer 1

Answer:

the common factor of 25,35,45 is 5

Step-by-step explanation:

Factors of 25

List of positive integer factors of 25 that divides 25 without a remainder.

1, 5, 25

Factors of 35

List of positive integer factors of 35 that divides 35 without a remainder.

1, 5, 7, 35

Factors of 45

List of positive integer factors of 45 that divides 45 without a remainder.

1, 3, 5, 9, 15, 45

Greatest Common Factor

We found the factors of 25, 35, 45 . The biggest common factor number is the GCF number.

So the Greatest Common Factor 25, 35, 45 is 5.

Therefore, GCF of numbers 25, 35, 45 is 5

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Answer 2

The common factor of 25,35 and 45 is 5

Step-by-step explanation:

Factors are numbers we can multiply together to get another number. When we find the factors of two or more numbers then find some factors are same, those are the common factors.

A common factor is a number that can be divided into two different numbers, without leaving any remainder. A number can have more than one common factor.

To find the common factors of two numbers, firstly we need to list al the factors of each number and then compare them. If a factor appears in both list then it is a common factor.

Factors of 25 are - 1, 5 and 25.

Factors of 35 are - 1, 5, 7 and 35.

Factors of 45 are - 1, 3, 5, 9, 15 and 45.

Here factor 5 appears in all the list, hence it is the common factor of 25, 35 and 45.