Least Common Multiple of 1438 and 1442

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023

Free LCM Calculator determines the least common multiple (LCM) between 1438 and 1442 the smallest integer that is 1036798 that is divisible by both numbers.

Least Common Multiple (LCM) of 1438 and 1442 is 1036798.

LCM(1438,1442) = 1036798

LCM of 1438 and 1442

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

LCM of:
and

Least Common Multiple of 1438 and 1442

LCM of 1438 and 1442 is 1036798

Least common multiple can be found by multiplying the highest exponent prime factors of 1438 and 1442. First we will calculate the prime factors of 1438 and 1442.

Prime Factorization of 1438


2 1438
719 719
1

Prime factors of 1438 are 2,719. Prime factorization of 1438 in exponential form is:

1438 = 21×7191

Prime Factorization of 1442


2 1442
7 721
103 103
1

Prime factors of 1442 are 2, 7,103. Prime factorization of 1442 in exponential form is:

1442 = 21×71×1031

Now multiplying the highest exponent prime factors to calculate the LCM of 1438 and 1442.

LCM(1438,1442) = 21×71×1031×7191
LCM(1438,1442) = 1036798

Factors of 1438

List of positive integer factors of 1438 that divides 1438 without a remainder.

1, 2, 719, 1438

Factors of 1442

List of positive integer factors of 1442 that divides 1442 without a remainder.

1, 2, 7, 14, 103, 206, 721, 1442

Least Common Multiple of 1438 and 1442 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1438 and 1442, than apply into the LCM equation.

GCF(1438,1442) = 2
LCM(1438,1442) = ( 1438 × 1442) / 2
LCM(1438,1442) = 2073596 / 2
LCM(1438,1442) = 1036798

Properties of LCM 1438 and 1442

(i) The LCM of 1442 and 1438 is associative

LCM of 1438 and 1442 = LCM of 1442 and 1438

Related Least Common Multiples of 1438

Related Least Common Multiples of 1442

Frequently Asked Questions on LCM of 1438 and 1442

1. What is the LCM of 1438 and 1442?

Answer: LCM of 1438 and 1442 is 1036798.

2. What are the Factors of 1438?

Answer: Factors of 1438 are 1, 2, 719, 1438. There are 4 integers that are factors of 1438. The greatest factor of 1438 is 1438.

3. What are the Factors of 1442?

Answer: Factors of 1442 are 1, 2, 7, 14, 103, 206, 721, 1442. There are 8 integers that are factors of 1442. The greatest factor of 1442 is 1442.

4. How to Find the LCM of 1438 and 1442?

Answer:

Least Common Multiple of 1438 and 1442 = 1036798

Step 1: Find the prime factorization of 1438

1438 = 2 x 719

Step 2: Find the prime factorization of 1442

1442 = 2 x 7 x 103

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

LCM = 1036798 = 2 x 7 x 103 x 719

Step 4: Therefore, the least common multiple of 1438 and 1442 is 1036798.