Least Common Multiple of 690 and 694

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 690 and 694 the smallest integer that is 239430 that is divisible by both numbers.

Least Common Multiple (LCM) of 690 and 694 is 239430.

LCM(690,694) = 239430

LCM of 690 and 694

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

LCM of:
and

Least Common Multiple of 690 and 694

LCM of 690 and 694 is 239430

Least common multiple can be found by multiplying the highest exponent prime factors of 690 and 694. First we will calculate the prime factors of 690 and 694.

Prime Factorization of 690


2 690
3 345
5 115
23 23
1

Prime factors of 690 are 2, 3, 5,23. Prime factorization of 690 in exponential form is:

690 = 21×31×51×231

Prime Factorization of 694


2 694
347 347
1

Prime factors of 694 are 2,347. Prime factorization of 694 in exponential form is:

694 = 21×3471

Now multiplying the highest exponent prime factors to calculate the LCM of 690 and 694.

LCM(690,694) = 21×31×51×231×3471
LCM(690,694) = 239430

Factors of 690

List of positive integer factors of 690 that divides 690 without a remainder.

1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690

Factors of 694

List of positive integer factors of 694 that divides 694 without a remainder.

1, 2, 347, 694

Least Common Multiple of 690 and 694 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 690 and 694, than apply into the LCM equation.

GCF(690,694) = 2
LCM(690,694) = ( 690 × 694) / 2
LCM(690,694) = 478860 / 2
LCM(690,694) = 239430

Properties of LCM 690 and 694

(i) The LCM of 694 and 690 is associative

LCM of 690 and 694 = LCM of 694 and 690

Frequently Asked Questions on LCM of 690 and 694

1. What is the LCM of 690 and 694?

Answer: LCM of 690 and 694 is 239430.

2. What are the Factors of 690?

Answer: Factors of 690 are 1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690. There are 16 integers that are factors of 690. The greatest factor of 690 is 690.

3. What are the Factors of 694?

Answer: Factors of 694 are 1, 2, 347, 694. There are 4 integers that are factors of 694. The greatest factor of 694 is 694.

4. How to Find the LCM of 690 and 694?

Answer:

Least Common Multiple of 690 and 694 = 239430

Step 1: Find the prime factorization of 690

690 = 2 x 3 x 5 x 23

Step 2: Find the prime factorization of 694

694 = 2 x 347

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

LCM = 239430 = 2 x 3 x 5 x 23 x 347

Step 4: Therefore, the least common multiple of 690 and 694 is 239430.