Least Common Multiple of 621 and 626

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 626 the smallest integer that is 388746 that is divisible by both numbers.

Least Common Multiple (LCM) of 621 and 626 is 388746.

LCM(621,626) = 388746

LCM of 621 and 626

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

LCM of:
and

Least Common Multiple of 621 and 626

LCM of 621 and 626 is 388746

Least common multiple can be found by multiplying the highest exponent prime factors of 621 and 626. First we will calculate the prime factors of 621 and 626.

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 626


2 626
313 313
1

Prime factors of 626 are 2,313. Prime factorization of 626 in exponential form is:

626 = 21×3131

Now multiplying the highest exponent prime factors to calculate the LCM of 621 and 626.

LCM(621,626) = 21×33×231×3131
LCM(621,626) = 388746

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 626

List of positive integer factors of 626 that divides 626 without a remainder.

1, 2, 313, 626

Least Common Multiple of 621 and 626 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 626, than apply into the LCM equation.

GCF(621,626) = 1
LCM(621,626) = ( 621 × 626) / 1
LCM(621,626) = 388746 / 1
LCM(621,626) = 388746

Properties of LCM 621 and 626

(i) The LCM of 626 and 621 is associative

LCM of 621 and 626 = LCM of 626 and 621

Frequently Asked Questions on LCM of 621 and 626

1. What is the LCM of 621 and 626?

Answer: LCM of 621 and 626 is 388746.

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 626?

Answer: Factors of 626 are 1, 2, 313, 626. There are 4 integers that are factors of 626. The greatest factor of 626 is 626.

4. How to Find the LCM of 621 and 626?

Answer:

Least Common Multiple of 621 and 626 = 388746

Step 1: Find the prime factorization of 621

621 = 3 x 3 x 3 x 23

Step 2: Find the prime factorization of 626

626 = 2 x 313

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

LCM = 388746 = 2 x 3 x 3 x 3 x 23 x 313

Step 4: Therefore, the least common multiple of 621 and 626 is 388746.