The prime factors of 180a2 are 2, 2, 3, 3, 5, a, and a. The prime factors of 210a are 2, 3, 5, 7, and a. The prime factors in common are 2, 3, 5, and a, so the greatest common factor is 2 x 3 x 5 x a = 30a. If a is divisible by 7, there would be two factors of 7 in a2, so the extra 7 would be another factor in common with 210a, in which case the greatest common factor would be 7 x 30a = 210a
90a
30a
It depends on the condition of the firearm. The 210A was made by Mossberg model 810AH
The GCF is 6.
Take I-70 EAST to I-77 SOUTH to MARIETTA at EXIT 180A in Ohio.Take I-77 SOUTH to Princeton, WV. Princeton is off EXIT 9.
The GCF is 9.
The GCF is 4.
The GCF is 30.
50
The GCF is: 1
The GCF is 27.