Question

gcf 2^5x5x11 and 2^3x5^2x7
x is for times

Answer 1

\[2^5\times5\times11=\color{red}2\times\color{red}2\times\color{red}2\times2\times2\times\color{red}5\times11\]\[2^3\times5^2\times7=\color{red}2\times\color{red}2\times\color{red}2\times5\times\color{red}5\times7\]

Answer 2

can you see them? :)

Answer 3

so it's 2^6 and 5^2?

Answer 4

wait, are you finding GCD or LCM?

Answer 5

greatest common factor

Answer 6

can you see their common factors?

how many 2 they have in common?
how many 5 they have in common?
how many 7 they have in common?
how many 11 they have in common?

Answer 7

three twos and the five

Answer 8

yep :D

Answer 9

so 2^3*5? the * is for times

Answer 10

woo!

Answer 11

exactly :D

Answer 12

for GCD, just look at their common factors :D

Answer 13

so what about like -50m^4n^7 and 40m^2n^10

Answer 14

Break 'em all down to their components :DDDDD

Answer 15

would that be -10m^2n^7?

Answer 16

exactly :D