The common factors of 70 and 105 are: 1, 5, 7, and 35
Chat with our AI personalities
The common factors of 40 and 70 are 1, 2, 5, 10
The factors of 210 are 1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210 To have common factors, you have to compare at least two sets of factors.
The prime factors of 18 are 2, 3, and 3. The prime factors of 70 are 2, 5, and 7. The prime factors that 18 and 70 have in common are a single 2.
The GCF is 7.
The greatest common factor is 15.