Least Common Multiple of 676 and 681

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 676 and 681 the smallest integer that is 460356 that is divisible by both numbers.

Least Common Multiple (LCM) of 676 and 681 is 460356.

LCM(676,681) = 460356

LCM of 676 and 681

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

LCM of:
and

Least Common Multiple of 676 and 681

LCM of 676 and 681 is 460356

Least common multiple can be found by multiplying the highest exponent prime factors of 676 and 681. First we will calculate the prime factors of 676 and 681.

Prime Factorization of 676


2 676
2 338
13 169
13 13
1

Prime factors of 676 are 2,13. Prime factorization of 676 in exponential form is:

676 = 22×132

Prime Factorization of 681


3 681
227 227
1

Prime factors of 681 are 3,227. Prime factorization of 681 in exponential form is:

681 = 31×2271

Now multiplying the highest exponent prime factors to calculate the LCM of 676 and 681.

LCM(676,681) = 22×31×132×2271
LCM(676,681) = 460356

Factors of 676

List of positive integer factors of 676 that divides 676 without a remainder.

1, 2, 4, 13, 26, 52, 169, 338, 676

Factors of 681

List of positive integer factors of 681 that divides 681 without a remainder.

1, 3, 227, 681

Least Common Multiple of 676 and 681 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 676 and 681, than apply into the LCM equation.

GCF(676,681) = 1
LCM(676,681) = ( 676 × 681) / 1
LCM(676,681) = 460356 / 1
LCM(676,681) = 460356

Properties of LCM 676 and 681

(i) The LCM of 681 and 676 is associative

LCM of 676 and 681 = LCM of 681 and 676

Frequently Asked Questions on LCM of 676 and 681

1. What is the LCM of 676 and 681?

Answer: LCM of 676 and 681 is 460356.

2. What are the Factors of 676?

Answer: Factors of 676 are 1, 2, 4, 13, 26, 52, 169, 338, 676. There are 9 integers that are factors of 676. The greatest factor of 676 is 676.

3. What are the Factors of 681?

Answer: Factors of 681 are 1, 3, 227, 681. There are 4 integers that are factors of 681. The greatest factor of 681 is 681.

4. How to Find the LCM of 676 and 681?

Answer:

Least Common Multiple of 676 and 681 = 460356

Step 1: Find the prime factorization of 676

676 = 2 x 2 x 13 x 13

Step 2: Find the prime factorization of 681

681 = 3 x 227

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

LCM = 460356 = 2 x 2 x 3 x 13 x 13 x 227

Step 4: Therefore, the least common multiple of 676 and 681 is 460356.