LCM for 70 and 985

The first method to find LCM for numbers 70 and 985 is to find Greatest Common Factor (GCF) of these numbers. Here's the formula:

LCM = (Number1 × Number2) ÷ GCF

GCF of numbers 70 and 985 is 5, so

LCM = (70 × 985) ÷ 5

LCM = 68950 ÷ 5

LCM = 13790

The second method to find LCM for numbers 70 and 985 is to list out the common multiples for both nubmers and pick the first which matching:

Multiples of 70: 70, 140, 210, 280, 350, 420, 490, 560, 630, 700, 770, 840, 910, 980, 1050, 1120, 1190, 1260, 1330, 1400, 1470, 1540, 1610, 1680, 1750, 1820, 1890, 1960, 2030, 2100, 2170, 2240, 2310, 2380, 2450, 2520, 2590, 2660, 2730, 2800, 2870, 2940, 3010, 3080, 3150, 3220, 3290, 3360, 3430, 3500, 3570, 3640, 3710, 3780, 3850, 3920, 3990, 4060, 4130, 4200, 4270, 4340, 4410, 4480, 4550, 4620, 4690, 4760, 4830, 4900, 4970, 5040, 5110, 5180, 5250, 5320, 5390, 5460, 5530, 5600, 5670, 5740, 5810, 5880, 5950, 6020, 6090, 6160, 6230, 6300, 6370, 6440, 6510, 6580, 6650, 6720, 6790, 6860, 6930, 7000, 7070, 7140, 7210, 7280, 7350, 7420, 7490, 7560, 7630, 7700, 7770, 7840, 7910, 7980, 8050, 8120, 8190, 8260, 8330, 8400, 8470, 8540, 8610, 8680, 8750, 8820, 8890, 8960, 9030, 9100, 9170, 9240, 9310, 9380, 9450, 9520, 9590, 9660, 9730, 9800, 9870, 9940, 10010, 10080, 10150, 10220, 10290, 10360, 10430, 10500, 10570, 10640, 10710, 10780, 10850, 10920, 10990, 11060, 11130, 11200, 11270, 11340, 11410, 11480, 11550, 11620, 11690, 11760, 11830, 11900, 11970, 12040, 12110, 12180, 12250, 12320, 12390, 12460, 12530, 12600, 12670, 12740, 12810, 12880, 12950, 13020, 13090, 13160, 13230, 13300, 13370, 13440, 13510, 13580, 13650, 13720, 13790, 13860, 13930

Multiples of 985: 985, 1970, 2955, 3940, 4925, 5910, 6895, 7880, 8865, 9850, 10835, 11820, 12805, 13790, 14775, 15760

So the LCM for 70 and 985 is 13790

Another method to find LCM for numbers 70 and 985 is to list all Prime Factors for both numbers and multiply the highest exponent prime factors: