LCM for 5 and 140

The first method to find LCM for numbers 5 and 140 is to find Greatest Common Factor (GCF) of these numbers. Here's the formula:

LCM = (Number1 × Number2) ÷ GCF

GCF of numbers 5 and 140 is 5, so

LCM = (5 × 140) ÷ 5

LCM = 700 ÷ 5

LCM = 140

The second method to find LCM for numbers 5 and 140 is to list out the common multiples for both nubmers and pick the first which matching:

Multiples of 5: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 105, 110, 115, 120, 125, 130, 135, 140, 145, 150

Multiples of 140: 140, 280, 420, 560, 700, 840, 980, 1120, 1260, 1400, 1540, 1680, 1820, 1960, 2100, 2240, 2380, 2520, 2660, 2800, 2940, 3080, 3220, 3360, 3500, 3640, 3780, 3920, 4060, 4200, [...], 140

So the LCM for 5 and 140 is 140

Another method to find LCM for numbers 5 and 140 is to list all Prime Factors for both numbers and multiply the highest exponent prime factors: