Least Common Multiple of 1659 and 1664

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 1659 and 1664 the smallest integer that is 2760576 that is divisible by both numbers.

Least Common Multiple (LCM) of 1659 and 1664 is 2760576.

LCM(1659,1664) = 2760576

LCM of 1659 and 1664

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

LCM of:
and

Least Common Multiple of 1659 and 1664

LCM of 1659 and 1664 is 2760576

Least common multiple can be found by multiplying the highest exponent prime factors of 1659 and 1664. First we will calculate the prime factors of 1659 and 1664.

Prime Factorization of 1659


3 1659
7 553
79 79
1

Prime factors of 1659 are 3, 7,79. Prime factorization of 1659 in exponential form is:

1659 = 31×71×791

Prime Factorization of 1664


2 1664
2 832
2 416
2 208
2 104
2 52
2 26
13 13
1

Prime factors of 1664 are 2,13. Prime factorization of 1664 in exponential form is:

1664 = 27×131

Now multiplying the highest exponent prime factors to calculate the LCM of 1659 and 1664.

LCM(1659,1664) = 27×31×71×131×791
LCM(1659,1664) = 2760576

Factors of 1659

List of positive integer factors of 1659 that divides 1659 without a remainder.

1, 3, 7, 21, 79, 237, 553, 1659

Factors of 1664

List of positive integer factors of 1664 that divides 1664 without a remainder.

1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664

Least Common Multiple of 1659 and 1664 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1659 and 1664, than apply into the LCM equation.

GCF(1659,1664) = 1
LCM(1659,1664) = ( 1659 × 1664) / 1
LCM(1659,1664) = 2760576 / 1
LCM(1659,1664) = 2760576

Properties of LCM 1659 and 1664

(i) The LCM of 1664 and 1659 is associative

LCM of 1659 and 1664 = LCM of 1664 and 1659

Frequently Asked Questions on LCM of 1659 and 1664

1. What is the LCM of 1659 and 1664?

Answer: LCM of 1659 and 1664 is 2760576.

2. What are the Factors of 1659?

Answer: Factors of 1659 are 1, 3, 7, 21, 79, 237, 553, 1659. There are 8 integers that are factors of 1659. The greatest factor of 1659 is 1659.

3. What are the Factors of 1664?

Answer: Factors of 1664 are 1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664. There are 16 integers that are factors of 1664. The greatest factor of 1664 is 1664.

4. How to Find the LCM of 1659 and 1664?

Answer:

Least Common Multiple of 1659 and 1664 = 2760576

Step 1: Find the prime factorization of 1659

1659 = 3 x 7 x 79

Step 2: Find the prime factorization of 1664

1664 = 2 x 2 x 2 x 2 x 2 x 2 x 2 x 13

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

LCM = 2760576 = 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 7 x 13 x 79

Step 4: Therefore, the least common multiple of 1659 and 1664 is 2760576.