bewellplus.gsu.edu
Shack88 Shack88
  • 11-06-2014
  • Mathematics
Answered

What is the greatest common factor of 42, 126, and 210 ?

F. 2

G. 6

H. 14

J. 21

K. 42

Verified Answer :

eboot123 eboot123
  • 11-06-2014

prime factors of 42:    2x7x3
prime factors of 126:  2x3x3x7
prime factors of 210:  7x3x5x2
now we multiply all the factors that they all have in common: 2x3x7 which is 42. So the highest common factor is 42

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