Question

can someone explain this?

Find the greatest common factor of the pair of numbers.

198 and 330

A.
99

B.
66

C.
30

D.
11

Answer 1

Write the prime factors of each number.

Answer 2

Did you get the prime factors of 198?

Answer 3

1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, and 198

Answer 4

or 198 is 2 x 3 x 3 x 11 2 x 32 x 11

Answer 5

Write the prime factors of each number then you can find the greatest common factor.

Answer 6

i got 11 is that right i feel like im doing something wrong

Answer 7

198=2 x 99=2x3x3x11=2x3^2x11
330=2x165=2x5x33=2x3x5x11

Answer 8

not got the test back it was 66

Answer 9

no matter thank you anyways for the help

Answer 10

Now to find the GCF : identify the common factors
The common factors are 2, 3, and 11
The smallest power of each common factor is 2^1, 3^1, 11^1 so the GCF is 2x3 11=66

Answer 11

Well but you still need to learn how to do it.