840, 1680, 2520, 3360, 4200, 5040, 5880, 6720, 7560, 8400, 9240, 10080, 10920, 11760, 12600, 13440, 14280, 15120, 15960, 16800, 17640, 18480, 19320, 20160, 21000.
The factors of 840 are: 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840.
25% is a quarter of 840: 840 ÷ 4 = 210
All multiples of 840 are common multiples of 60 and 280
25% of 840 is 210
840
They are: 3*5*7*8 = 840, except they are factors.
840
Any multiple of 42000
840, 1680, 2520 and so on.
210, 420, 630, 840 . . .
25, 50, 75, 100, 125, 150, 175, 200, 225, 250, 275, . . .105, 210, 315, 420, 525, 630, 735, 840, 945, 1050, 1155, . . .
840, 1680, 2520
No. The two closest multiples of seven are 833 and 840.