Least Common Multiple of 620 and 622

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 620 and 622 the smallest integer that is 192820 that is divisible by both numbers.

Least Common Multiple (LCM) of 620 and 622 is 192820.

LCM(620,622) = 192820

LCM of 620 and 622

Least common multiple or lowest common denominator (LCD) can be calculated in three ways;

LCM of:
and

Least Common Multiple of 620 and 622

LCM of 620 and 622 is 192820

Least common multiple can be found by multiplying the highest exponent prime factors of 620 and 622. First we will calculate the prime factors of 620 and 622.

Prime Factorization of 620


2 620
2 310
5 155
31 31
1

Prime factors of 620 are 2, 5,31. Prime factorization of 620 in exponential form is:

620 = 22×51×311

Prime Factorization of 622


2 622
311 311
1

Prime factors of 622 are 2,311. Prime factorization of 622 in exponential form is:

622 = 21×3111

Now multiplying the highest exponent prime factors to calculate the LCM of 620 and 622.

LCM(620,622) = 22×51×311×3111
LCM(620,622) = 192820

Factors of 620

List of positive integer factors of 620 that divides 620 without a remainder.

1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620

Factors of 622

List of positive integer factors of 622 that divides 622 without a remainder.

1, 2, 311, 622

Least Common Multiple of 620 and 622 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 620 and 622, than apply into the LCM equation.

GCF(620,622) = 2
LCM(620,622) = ( 620 × 622) / 2
LCM(620,622) = 385640 / 2
LCM(620,622) = 192820

Properties of LCM 620 and 622

(i) The LCM of 622 and 620 is associative

LCM of 620 and 622 = LCM of 622 and 620

Frequently Asked Questions on LCM of 620 and 622

1. What is the LCM of 620 and 622?

Answer: LCM of 620 and 622 is 192820.

2. What are the Factors of 620?

Answer: Factors of 620 are 1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620. There are 12 integers that are factors of 620. The greatest factor of 620 is 620.

3. What are the Factors of 622?

Answer: Factors of 622 are 1, 2, 311, 622. There are 4 integers that are factors of 622. The greatest factor of 622 is 622.

4. How to Find the LCM of 620 and 622?

Answer:

Least Common Multiple of 620 and 622 = 192820

Step 1: Find the prime factorization of 620

620 = 2 x 2 x 5 x 31

Step 2: Find the prime factorization of 622

622 = 2 x 311

Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:

LCM = 192820 = 2 x 2 x 5 x 31 x 311

Step 4: Therefore, the least common multiple of 620 and 622 is 192820.