The greatest common factor of 420 and 504 is 84
The GCF is 84.
Greatest common factor of 420 and 504 is 84.
2520
84, 168, 252, 336, 420, 504 . . .
84, 168, 252, 336, 420, 504, 588
84, 168, 252, 336, 420, 504, 588, 672, 756, 840, 924, . . .
84, 168, 252, 336, 420, 504, 588, 672, 756, +84 . . .
84, 168, 252, 336, 420, 504, 588, 672, 756, 840.
42, 84, 126, 168, 210, 252, 294, 336, 378, 420, 462, 504, 546, . . .
42, 84, 126, 168, 210, 252, 294, 336, 378, 420, 462, 504, 546, . . .
42, 84, 126, 168, 210, 252, 294, 336, 378, 420, 462, 504, . . .
84, 168, 252, 336, 420, 504, 588, 672, 756, 840