The GCF is 35.
90 = 2x3x3x5210 = 2x3x5x7315 = 3x3x5x7GCF = 3x5 = 15
The GCF is 315.
The GCF is 63.
The GCF is 35.
The GCF is 45.
The GCF is 63.
The GCF of 315 and 60 is 15.
The Least Common Multiple (LCM) of 210 and 315 is 630.
315 = 32 x 5 x 7525 = 3 x 5 x 73 x 5 x 7 = 105 (GCF)
210 and 420 have a GCF of 210.
Since 210 is a factor of 420, it is automatically the GCF.