The highest common factor of the numbers 490 and 630 is 70.
The GCF is 63.
70, 140, 210, 280, 350, 420, 490, 560, 630, 700, 770 and just keep adding 70 until you get to infinity.
The first 10 multiples of 70: 70, 140, 210, 280, 350, 420, 490, 560, 630, 700
The first 15 multiples of 70: 70, 140, 210, 280, 350, 420, 490, 560, 630, 700, 770, 840, 910, 980, 1050 . . .
The highest common factor of the numbers 490 and 630 is 70.
The GCF is 70.The GCF is 70.
The GCF is 42.
70
70
The GCF is 70.
The GCF is 90.
Looks like 70, 490 = 7 x 70, 630 = 9 x 70 and 7 and 9 are co-prime.
The GCF is 63.
HCF(140, 490) = 70 So 70 and any factor of 70 will do.
You don't. You need at least two numbers to find a GCF.
The Highest Common Factor is 126