Least Common Multiple of 426 and 428

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 426 and 428 the smallest integer that is 91164 that is divisible by both numbers.

Least Common Multiple (LCM) of 426 and 428 is 91164.

LCM(426,428) = 91164

LCM of 426 and 428

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

LCM of:
and

Least Common Multiple of 426 and 428

LCM of 426 and 428 is 91164

Least common multiple can be found by multiplying the highest exponent prime factors of 426 and 428. First we will calculate the prime factors of 426 and 428.

Prime Factorization of 426


2 426
3 213
71 71
1

Prime factors of 426 are 2, 3,71. Prime factorization of 426 in exponential form is:

426 = 21×31×711

Prime Factorization of 428


2 428
2 214
107 107
1

Prime factors of 428 are 2,107. Prime factorization of 428 in exponential form is:

428 = 22×1071

Now multiplying the highest exponent prime factors to calculate the LCM of 426 and 428.

LCM(426,428) = 22×31×711×1071
LCM(426,428) = 91164

Factors of 426

List of positive integer factors of 426 that divides 426 without a remainder.

1, 2, 3, 6, 71, 142, 213, 426

Factors of 428

List of positive integer factors of 428 that divides 428 without a remainder.

1, 2, 4, 107, 214, 428

Least Common Multiple of 426 and 428 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 426 and 428, than apply into the LCM equation.

GCF(426,428) = 2
LCM(426,428) = ( 426 × 428) / 2
LCM(426,428) = 182328 / 2
LCM(426,428) = 91164

Properties of LCM 426 and 428

(i) The LCM of 428 and 426 is associative

LCM of 426 and 428 = LCM of 428 and 426

Frequently Asked Questions on LCM of 426 and 428

1. What is the LCM of 426 and 428?

Answer: LCM of 426 and 428 is 91164.

2. What are the Factors of 426?

Answer: Factors of 426 are 1, 2, 3, 6, 71, 142, 213, 426. There are 8 integers that are factors of 426. The greatest factor of 426 is 426.

3. What are the Factors of 428?

Answer: Factors of 428 are 1, 2, 4, 107, 214, 428. There are 6 integers that are factors of 428. The greatest factor of 428 is 428.

4. How to Find the LCM of 426 and 428?

Answer:

Least Common Multiple of 426 and 428 = 91164

Step 1: Find the prime factorization of 426

426 = 2 x 3 x 71

Step 2: Find the prime factorization of 428

428 = 2 x 2 x 107

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

LCM = 91164 = 2 x 2 x 3 x 71 x 107

Step 4: Therefore, the least common multiple of 426 and 428 is 91164.