280 560 840 1120 1400 1680 1960 2240 2520 2800
280 560 840 1120 1400 1680 1960 2240 2520 2800
280 560 840 1120 1400 1680 1960 2240 2520 2800
280 560 840 1120 1400 1680 1960 2240 2520 2800
280 560 840 1120 1400 1680 1960 2240 2520 2800
All multiples of 840 are common multiples of 60 and 280
140, 280, 420
140, 280, 420
280, 560, 840
140, 280, 420
140, 280, 420
the first three common multiples of 7, 20, and 35 are 140, 280, and 420
40
280, 420, 560
All of the multiples of 280 are. There are an infinite number of them.
All common multiples of 7, 10 and 8 are divisible by them. The lowest common multiple of them is 280, so all multiples of 280 are divisible by them, namely 280, 560, 840, 1120, ...
280 560 840 1120 1400 1680 1960 2240 2520 2800