LCM for 5 and 155

The first method to find LCM for numbers 5 and 155 is to find Greatest Common Factor (GCF) of these numbers. Here's the formula:

LCM = (Number1 × Number2) ÷ GCF

GCF of numbers 5 and 155 is 5, so

LCM = (5 × 155) ÷ 5

LCM = 775 ÷ 5

LCM = 155

The second method to find LCM for numbers 5 and 155 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, 155, 160, 165

Multiples of 155: 155, 310, 465, 620, 775, 930, 1085, 1240, 1395, 1550, 1705, 1860, 2015, 2170, 2325, 2480, 2635, 2790, 2945, 3100, 3255, 3410, 3565, 3720, 3875, 4030, 4185, 4340, 4495, 4650, 4805, 4960, 5115, [...], 155

So the LCM for 5 and 155 is 155

Another method to find LCM for numbers 5 and 155 is to list all Prime Factors for both numbers and multiply the highest exponent prime factors: