Least Common Multiple of 3969 and 3973

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 3969 and 3973 the smallest integer that is 15768837 that is divisible by both numbers.

Least Common Multiple (LCM) of 3969 and 3973 is 15768837.

LCM(3969,3973) = 15768837

LCM of 3969 and 3973

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

LCM of:
and

Least Common Multiple of 3969 and 3973

LCM of 3969 and 3973 is 15768837

Least common multiple can be found by multiplying the highest exponent prime factors of 3969 and 3973. First we will calculate the prime factors of 3969 and 3973.

Prime Factorization of 3969


3 3969
3 1323
3 441
3 147
7 49
7 7
1

Prime factors of 3969 are 3,7. Prime factorization of 3969 in exponential form is:

3969 = 34×72

Prime Factorization of 3973


29 3973
137 137
1

Prime factors of 3973 are 29,137. Prime factorization of 3973 in exponential form is:

3973 = 291×1371

Now multiplying the highest exponent prime factors to calculate the LCM of 3969 and 3973.

LCM(3969,3973) = 34×72×291×1371
LCM(3969,3973) = 15768837

Factors of 3969

List of positive integer factors of 3969 that divides 3969 without a remainder.

1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969

Factors of 3973

List of positive integer factors of 3973 that divides 3973 without a remainder.

1, 29, 137, 3973

Least Common Multiple of 3969 and 3973 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3969 and 3973, than apply into the LCM equation.

GCF(3969,3973) = 1
LCM(3969,3973) = ( 3969 × 3973) / 1
LCM(3969,3973) = 15768837 / 1
LCM(3969,3973) = 15768837

Properties of LCM 3969 and 3973

(i) The LCM of 3973 and 3969 is associative

LCM of 3969 and 3973 = LCM of 3973 and 3969

Frequently Asked Questions on LCM of 3969 and 3973

1. What is the LCM of 3969 and 3973?

Answer: LCM of 3969 and 3973 is 15768837.

2. What are the Factors of 3969?

Answer: Factors of 3969 are 1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969. There are 15 integers that are factors of 3969. The greatest factor of 3969 is 3969.

3. What are the Factors of 3973?

Answer: Factors of 3973 are 1, 29, 137, 3973. There are 4 integers that are factors of 3973. The greatest factor of 3973 is 3973.

4. How to Find the LCM of 3969 and 3973?

Answer:

Least Common Multiple of 3969 and 3973 = 15768837

Step 1: Find the prime factorization of 3969

3969 = 3 x 3 x 3 x 3 x 7 x 7

Step 2: Find the prime factorization of 3973

3973 = 29 x 137

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

LCM = 15768837 = 3 x 3 x 3 x 3 x 7 x 7 x 29 x 137

Step 4: Therefore, the least common multiple of 3969 and 3973 is 15768837.