Least Common Multiple of 1621 and 1624

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 1621 and 1624 the smallest integer that is 2632504 that is divisible by both numbers.

Least Common Multiple (LCM) of 1621 and 1624 is 2632504.

LCM(1621,1624) = 2632504

LCM of 1621 and 1624

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

LCM of:
and

Least Common Multiple of 1621 and 1624

LCM of 1621 and 1624 is 2632504

Least common multiple can be found by multiplying the highest exponent prime factors of 1621 and 1624. First we will calculate the prime factors of 1621 and 1624.

Prime Factorization of 1621


1621 1621
1

Prime factors of 1621 are 1621. Prime factorization of 1621 in exponential form is:

1621 = 16211

Prime Factorization of 1624


2 1624
2 812
2 406
7 203
29 29
1

Prime factors of 1624 are 2, 7,29. Prime factorization of 1624 in exponential form is:

1624 = 23×71×291

Now multiplying the highest exponent prime factors to calculate the LCM of 1621 and 1624.

LCM(1621,1624) = 23×71×291×16211
LCM(1621,1624) = 2632504

Factors of 1621

List of positive integer factors of 1621 that divides 1621 without a remainder.

1, 1621

Factors of 1624

List of positive integer factors of 1624 that divides 1624 without a remainder.

1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 812, 1624

Least Common Multiple of 1621 and 1624 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1621 and 1624, than apply into the LCM equation.

GCF(1621,1624) = 1
LCM(1621,1624) = ( 1621 × 1624) / 1
LCM(1621,1624) = 2632504 / 1
LCM(1621,1624) = 2632504

Properties of LCM 1621 and 1624

(i) The LCM of 1624 and 1621 is associative

LCM of 1621 and 1624 = LCM of 1624 and 1621

Frequently Asked Questions on LCM of 1621 and 1624

1. What is the LCM of 1621 and 1624?

Answer: LCM of 1621 and 1624 is 2632504.

2. What are the Factors of 1621?

Answer: Factors of 1621 are 1, 1621. There are 2 integers that are factors of 1621. The greatest factor of 1621 is 1621.

3. What are the Factors of 1624?

Answer: Factors of 1624 are 1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 812, 1624. There are 16 integers that are factors of 1624. The greatest factor of 1624 is 1624.

4. How to Find the LCM of 1621 and 1624?

Answer:

Least Common Multiple of 1621 and 1624 = 2632504

Step 1: Find the prime factorization of 1621

1621 = 1621

Step 2: Find the prime factorization of 1624

1624 = 2 x 2 x 2 x 7 x 29

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

LCM = 2632504 = 2 x 2 x 2 x 7 x 29 x 1621

Step 4: Therefore, the least common multiple of 1621 and 1624 is 2632504.