2 and 5, for example.
40 and 21 have no common prime factors
The two prime factors of 40 are: 2 and 5
No, 36 and 38 are two numbers between 30 and 40, Their GCF is 2.
Because they have only two factors whereas the other numbers are composite because they have more than two factors.
42, 48 are the two numbers bigger than 40 that have 2 and 3 as their only prime factors.
You need at least two numbers to find a GCF.
They are those that have more than two factors in them.
1, 2, 4, 5, 8, 10, 20, 40 Pick two.
40 and 50 are both composite numbers because they have more than two factors
The prime numbers (factors) of 40 are: 2 and 5
The prime numbers (factors) of 40 are: 2 and 5
The common factors for the numbers 25 95 and 40 are: 1, 5