Least Common Multiple of 1127 and 1128

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 1127 and 1128 the smallest integer that is 1271256 that is divisible by both numbers.

Least Common Multiple (LCM) of 1127 and 1128 is 1271256.

LCM(1127,1128) = 1271256

LCM of 1127 and 1128

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

LCM of:
and

Least Common Multiple of 1127 and 1128

LCM of 1127 and 1128 is 1271256

Least common multiple can be found by multiplying the highest exponent prime factors of 1127 and 1128. First we will calculate the prime factors of 1127 and 1128.

Prime Factorization of 1127


7 1127
7 161
23 23
1

Prime factors of 1127 are 7,23. Prime factorization of 1127 in exponential form is:

1127 = 72×231

Prime Factorization of 1128


2 1128
2 564
2 282
3 141
47 47
1

Prime factors of 1128 are 2, 3,47. Prime factorization of 1128 in exponential form is:

1128 = 23×31×471

Now multiplying the highest exponent prime factors to calculate the LCM of 1127 and 1128.

LCM(1127,1128) = 23×31×72×231×471
LCM(1127,1128) = 1271256

Factors of 1127

List of positive integer factors of 1127 that divides 1127 without a remainder.

1, 7, 23, 49, 161, 1127

Factors of 1128

List of positive integer factors of 1128 that divides 1128 without a remainder.

1, 2, 3, 4, 6, 8, 12, 24, 47, 94, 141, 188, 282, 376, 564, 1128

Least Common Multiple of 1127 and 1128 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1127 and 1128, than apply into the LCM equation.

GCF(1127,1128) = 1
LCM(1127,1128) = ( 1127 × 1128) / 1
LCM(1127,1128) = 1271256 / 1
LCM(1127,1128) = 1271256

Properties of LCM 1127 and 1128

(i) The LCM of 1128 and 1127 is associative

LCM of 1127 and 1128 = LCM of 1128 and 1127

Frequently Asked Questions on LCM of 1127 and 1128

1. What is the LCM of 1127 and 1128?

Answer: LCM of 1127 and 1128 is 1271256.

2. What are the Factors of 1127?

Answer: Factors of 1127 are 1, 7, 23, 49, 161, 1127. There are 6 integers that are factors of 1127. The greatest factor of 1127 is 1127.

3. What are the Factors of 1128?

Answer: Factors of 1128 are 1, 2, 3, 4, 6, 8, 12, 24, 47, 94, 141, 188, 282, 376, 564, 1128. There are 16 integers that are factors of 1128. The greatest factor of 1128 is 1128.

4. How to Find the LCM of 1127 and 1128?

Answer:

Least Common Multiple of 1127 and 1128 = 1271256

Step 1: Find the prime factorization of 1127

1127 = 7 x 7 x 23

Step 2: Find the prime factorization of 1128

1128 = 2 x 2 x 2 x 3 x 47

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

LCM = 1271256 = 2 x 2 x 2 x 3 x 7 x 7 x 23 x 47

Step 4: Therefore, the least common multiple of 1127 and 1128 is 1271256.