Least Common Multiple of 621 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 621 and 622 the smallest integer that is 386262 that is divisible by both numbers.

Least Common Multiple (LCM) of 621 and 622 is 386262.

LCM(621,622) = 386262

LCM of 621 and 622

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

LCM of:
and

Least Common Multiple of 621 and 622

LCM of 621 and 622 is 386262

Least common multiple can be found by multiplying the highest exponent prime factors of 621 and 622. First we will calculate the prime factors of 621 and 622.

Prime Factorization of 621


3 621
3 207
3 69
23 23
1

Prime factors of 621 are 3,23. Prime factorization of 621 in exponential form is:

621 = 33×231

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 621 and 622.

LCM(621,622) = 21×33×231×3111
LCM(621,622) = 386262

Factors of 621

List of positive integer factors of 621 that divides 621 without a remainder.

1, 3, 9, 23, 27, 69, 207, 621

Factors of 622

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

1, 2, 311, 622

Least Common Multiple of 621 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 621 and 622, than apply into the LCM equation.

GCF(621,622) = 1
LCM(621,622) = ( 621 × 622) / 1
LCM(621,622) = 386262 / 1
LCM(621,622) = 386262

Properties of LCM 621 and 622

(i) The LCM of 622 and 621 is associative

LCM of 621 and 622 = LCM of 622 and 621

Frequently Asked Questions on LCM of 621 and 622

1. What is the LCM of 621 and 622?

Answer: LCM of 621 and 622 is 386262.

2. What are the Factors of 621?

Answer: Factors of 621 are 1, 3, 9, 23, 27, 69, 207, 621. There are 8 integers that are factors of 621. The greatest factor of 621 is 621.

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 621 and 622?

Answer:

Least Common Multiple of 621 and 622 = 386262

Step 1: Find the prime factorization of 621

621 = 3 x 3 x 3 x 23

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 = 386262 = 2 x 3 x 3 x 3 x 23 x 311

Step 4: Therefore, the least common multiple of 621 and 622 is 386262.