Question

4. A number is a factor of 30 and 100. Write two
other numbers of which it is a factor.​

Answer 1

Answer:

10

Step-by-step explanation:

1.Prime factors of 30 are 2, 3, 5

2.Prime factors of 100 are 2, 5

3.List of positive integer factors of 30 that divides 30 without a remainder.

1, 2, 3, 5, 6, 10, 15

4.List of positive integer factors of 100 that divides 30 without a remainder.

1, 2, 4, 5, 10, 20, 25, 50

5.The biggest common factor number is the GCF number.

So the greatest common factor 30 and 100 is 10.