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

F. 2

G. 6

H. 14

J. 21

K. 42

Question

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 :

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eboot123 eboot123 · Answer 1 · 2014-06-11T14:22:26-04:00

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

Answer Link

What is the greatest common factor of 42, 126, and 210 ?F. 2G. 6H. 14J. 21K. 42

Verified Answer :

Related Questions

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

F. 2

G. 6

H. 14

J. 21

K. 42