Least Common Multiple of 1662 and 1668

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 1662 and 1668 the smallest integer that is 462036 that is divisible by both numbers.

Least Common Multiple (LCM) of 1662 and 1668 is 462036.

LCM(1662,1668) = 462036

LCM of 1662 and 1668

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

LCM of:
and

Least Common Multiple of 1662 and 1668

LCM of 1662 and 1668 is 462036

Least common multiple can be found by multiplying the highest exponent prime factors of 1662 and 1668. First we will calculate the prime factors of 1662 and 1668.

Prime Factorization of 1662


2 1662
3 831
277 277
1

Prime factors of 1662 are 2, 3,277. Prime factorization of 1662 in exponential form is:

1662 = 21×31×2771

Prime Factorization of 1668


2 1668
2 834
3 417
139 139
1

Prime factors of 1668 are 2, 3,139. Prime factorization of 1668 in exponential form is:

1668 = 22×31×1391

Now multiplying the highest exponent prime factors to calculate the LCM of 1662 and 1668.

LCM(1662,1668) = 22×31×1391×2771
LCM(1662,1668) = 462036

Factors of 1662

List of positive integer factors of 1662 that divides 1662 without a remainder.

1, 2, 3, 6, 277, 554, 831, 1662

Factors of 1668

List of positive integer factors of 1668 that divides 1668 without a remainder.

1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668

Least Common Multiple of 1662 and 1668 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1662 and 1668, than apply into the LCM equation.

GCF(1662,1668) = 6
LCM(1662,1668) = ( 1662 × 1668) / 6
LCM(1662,1668) = 2772216 / 6
LCM(1662,1668) = 462036

Properties of LCM 1662 and 1668

(i) The LCM of 1668 and 1662 is associative

LCM of 1662 and 1668 = LCM of 1668 and 1662

Frequently Asked Questions on LCM of 1662 and 1668

1. What is the LCM of 1662 and 1668?

Answer: LCM of 1662 and 1668 is 462036.

2. What are the Factors of 1662?

Answer: Factors of 1662 are 1, 2, 3, 6, 277, 554, 831, 1662. There are 8 integers that are factors of 1662. The greatest factor of 1662 is 1662.

3. What are the Factors of 1668?

Answer: Factors of 1668 are 1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668. There are 12 integers that are factors of 1668. The greatest factor of 1668 is 1668.

4. How to Find the LCM of 1662 and 1668?

Answer:

Least Common Multiple of 1662 and 1668 = 462036

Step 1: Find the prime factorization of 1662

1662 = 2 x 3 x 277

Step 2: Find the prime factorization of 1668

1668 = 2 x 2 x 3 x 139

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

LCM = 462036 = 2 x 2 x 3 x 139 x 277

Step 4: Therefore, the least common multiple of 1662 and 1668 is 462036.