Best Answer

The greatest common factor is 7a.

21ab+35a

=7a(3b+5)

GCF(21ab, 35a) = 7a. How? Factor out each term to get:

21ab = 3 x 7 x a x b

35a = 5 x 7 x a

The factors that occur both in 21ab and 35a are 7 and a. Therefore, the GCF is 7a.

More answers

The greatest common factor (GCF) is 7a2b2.

The GCF and LCM of 21 and 49 are 7 and 147 respectively

The GCF is 1.

The GCF is 7b.

The GCF is 1.

The GCF is 7.

7ab

Lvl 1

21 and 49

Q: What is the greatest common factor of 21ab and 35a?

Write your answer...

Submit

Still have questions?

Continue Learning about Movies & Television

Related questions

The GCF of 35 a^2 and 85ab is 5a. The GCF of 35 and 85 is 5, and the GCF of a squared and ab is a.

5a ad 7a

The GCF is 5a.

Factor. Consider this additive in expression.35a + 150a5a(7 + 30)5a=======is the common multiple of these two terms

no

The Electric Company - 1971 35A 5-35 was released on: USA: 5 December 1975

The GCF is 5a.

5(7a + 2)

35a praying mantis can see

50-60s or so

14 c

50-150 usd