1 is the greatest and only common factor of 15 and 38.
The Greatest Common Factor (GCF) is: 5
The Greatest Common Factor of 12, 44, 15: 1
3 is a factor of 12 & a factor of 15, so it's a common factor between 12 & 15. Also, as it's the only common factor between them, in addition to 1 of course, it's the highest common factor between 12 & 15.
3
The GCF is 3.
The GCF is 5.
the greatest common factor of 6,12, and 15 is 3.
The only common factor of 12, 35 and 15 is: 1
The GCF is 15.
The greatest common factor of the numbers 15 and 12 is 3.
The factors of 9 are 1, 3, and 9. The factors of 12 are 1, 2, 3, 4, 6, and 12. The factors of 15 are 1, 3, 5, and 15. The common factors of 9, 12, and 15 are 1 and 3. Therefore, the least common factor (the smallest common factor) is 1.