# What is LCM of 25 and 4?

For two integers a and b, denoted LCM(a,b), the LCM is the smallest positive integer that is evenly divisible by both a and b.

## Answer:** **LCM of 25 and 4 is 100

Let us see how to find the LCM of 25 and 4

## Explanation:

### Method 1: Listing multiples

In this method we will list first few multiples of 4 and 25 and check the lowest multiple

Multiples of 4: 2, 8, 12, 16, 20, 24, 28, 32, 36, 40, 48, 52, 56, 60, 64, 68, 72, 76, 80, 84, 88, 92, 96, 100

Multiples of 25: 25, 50, 75, 100, 125

Thus, the lowest common multiple is 100

Hence, LCM of 4 and 25 is 100

### Method 2: Common Division

In this method, 4 and 25 will be divided by their common factors until the remainder is 1

All the factors are then multiplied to calculate the LCM