I could tell you what all the factors of each of those 4 numbers are, but I am guessing you are asking for the common factors. Lets start with the prime factorization of each number:
10 is 2 * 5
8 is 23
12 is 22 * 3
15 is 3 * 5
So no prime factor is common to all 4 numbers. The only common factor is 1.
1 The factors of 8 are 1,2,2,2,8 The factors of 10 are 1,2,5,10 The factors of 15 are 1,3,5,15
The factors of 25 are: 1 5 25.The prime factors are: 5 x 5The factors of 40 are: 1 2 4 5 8 10 20 40.The prime factors are: 2 x 2 x 2 x 5
The factors of 40 are: 1, 2, 4, 5, 8, 10, 20, 40.
The factors of 8 are: 1, 2, 4, 8 The factors of 10 are: 1, 2, 5, 10
The factors of 8 are: 1, 2, 4, 8 The factors of 60 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60
1 The factors of 8 are 1,2,2,2,8 The factors of 10 are 1,2,5,10 The factors of 15 are 1,3,5,15
The factors of 15 are: 1, 3, 5, 15 The factors of 40 are: 1, 2, 4, 5, 8, 10, 20, 40
Factors of ten are: 1, 2, 5 and 10 Factors of fifteen are: 1, 3, 5 and 15 Factors of forty are: 1, 2, 4, 5, 8, 10, 20 and 40
Yes. For example, they are all factors of 6120.
The factors of 25 are: 1 5 25.The prime factors are: 5 x 5The factors of 40 are: 1 2 4 5 8 10 20 40.The prime factors are: 2 x 2 x 2 x 5
How about 10 whose factors are 1 2 5 and 10
The factors of 10 are: 1, 2, 5, and 10.The prime factors of 10 are: 2 and 5.The factors of 15 are: 1, 3, 5, and 15.The prime factors of 15 are: 3 and 5.
The factors of 40 are: 1, 2, 4, 5, 8, 10, 20, 40.
8 and 15 share no common factors aside from 1. 8 and 15 are coprime.
The factors of 8 are: 1, 2, 4, 8 The factors of 15 are: 1, 3, 5, 15
1, 2, 3, 5, 6, 10, 15, 30 - they are the only factors
6, 8, 10, 14, 15