Least Common Multiple of 689 and 692

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 689 and 692 the smallest integer that is 476788 that is divisible by both numbers.

Least Common Multiple (LCM) of 689 and 692 is 476788.

LCM(689,692) = 476788

LCM of 689 and 692

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

LCM of:
and

Least Common Multiple of 689 and 692

LCM of 689 and 692 is 476788

Least common multiple can be found by multiplying the highest exponent prime factors of 689 and 692. First we will calculate the prime factors of 689 and 692.

Prime Factorization of 689


13 689
53 53
1

Prime factors of 689 are 13,53. Prime factorization of 689 in exponential form is:

689 = 131×531

Prime Factorization of 692


2 692
2 346
173 173
1

Prime factors of 692 are 2,173. Prime factorization of 692 in exponential form is:

692 = 22×1731

Now multiplying the highest exponent prime factors to calculate the LCM of 689 and 692.

LCM(689,692) = 22×131×531×1731
LCM(689,692) = 476788

Factors of 689

List of positive integer factors of 689 that divides 689 without a remainder.

1, 13, 53, 689

Factors of 692

List of positive integer factors of 692 that divides 692 without a remainder.

1, 2, 4, 173, 346, 692

Least Common Multiple of 689 and 692 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 689 and 692, than apply into the LCM equation.

GCF(689,692) = 1
LCM(689,692) = ( 689 × 692) / 1
LCM(689,692) = 476788 / 1
LCM(689,692) = 476788

Properties of LCM 689 and 692

(i) The LCM of 692 and 689 is associative

LCM of 689 and 692 = LCM of 692 and 689

Frequently Asked Questions on LCM of 689 and 692

1. What is the LCM of 689 and 692?

Answer: LCM of 689 and 692 is 476788.

2. What are the Factors of 689?

Answer: Factors of 689 are 1, 13, 53, 689. There are 4 integers that are factors of 689. The greatest factor of 689 is 689.

3. What are the Factors of 692?

Answer: Factors of 692 are 1, 2, 4, 173, 346, 692. There are 6 integers that are factors of 692. The greatest factor of 692 is 692.

4. How to Find the LCM of 689 and 692?

Answer:

Least Common Multiple of 689 and 692 = 476788

Step 1: Find the prime factorization of 689

689 = 13 x 53

Step 2: Find the prime factorization of 692

692 = 2 x 2 x 173

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

LCM = 476788 = 2 x 2 x 13 x 53 x 173

Step 4: Therefore, the least common multiple of 689 and 692 is 476788.