HCF of 28 and 42????

4 ⤊

2007-09-11 07:06:44 · 4 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

Answer is 14

2007-09-11 08:34:05 · answer #1 · answered by Como 7 · 2⤊ 0⤋

2007-09-11 07:12:14 · answer #2 · answered by Charliemoo 5 · 0⤊ 1⤋

28 = 4 * 7 = 2 * 2 * 7
42 = 2 * 21 = 2 * 3 * 7

HCF = 2 * 7 = 14
LCM = 2 * 2 * 3 * 7 = 4 * 21 = 84

2007-09-11 07:12:41 · answer #3 · answered by PMP 5 · 1⤊ 0⤋

28= 7 x2 x 2
42 = 7 x 3 x 2
The common factors are 7 and 2
7 x 2 = 14
HCF is 14

2007-09-11 07:11:54 · answer #4 · answered by Eechhutti 2 · 1⤊ 1⤋