Least Common Multiple of 1786 and 1792

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 1786 and 1792 the smallest integer that is 1600256 that is divisible by both numbers.

Least Common Multiple (LCM) of 1786 and 1792 is 1600256.

LCM(1786,1792) = 1600256

LCM of 1786 and 1792

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

LCM of:
and

Least Common Multiple of 1786 and 1792

LCM of 1786 and 1792 is 1600256

Least common multiple can be found by multiplying the highest exponent prime factors of 1786 and 1792. First we will calculate the prime factors of 1786 and 1792.

Prime Factorization of 1786


2 1786
19 893
47 47
1

Prime factors of 1786 are 2, 19,47. Prime factorization of 1786 in exponential form is:

1786 = 21×191×471

Prime Factorization of 1792


2 1792
2 896
2 448
2 224
2 112
2 56
2 28
2 14
7 7
1

Prime factors of 1792 are 2,7. Prime factorization of 1792 in exponential form is:

1792 = 28×71

Now multiplying the highest exponent prime factors to calculate the LCM of 1786 and 1792.

LCM(1786,1792) = 28×71×191×471
LCM(1786,1792) = 1600256

Factors of 1786

List of positive integer factors of 1786 that divides 1786 without a remainder.

1, 2, 19, 38, 47, 94, 893, 1786

Factors of 1792

List of positive integer factors of 1792 that divides 1792 without a remainder.

1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792

Least Common Multiple of 1786 and 1792 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1786 and 1792, than apply into the LCM equation.

GCF(1786,1792) = 2
LCM(1786,1792) = ( 1786 × 1792) / 2
LCM(1786,1792) = 3200512 / 2
LCM(1786,1792) = 1600256

Properties of LCM 1786 and 1792

(i) The LCM of 1792 and 1786 is associative

LCM of 1786 and 1792 = LCM of 1792 and 1786

Frequently Asked Questions on LCM of 1786 and 1792

1. What is the LCM of 1786 and 1792?

Answer: LCM of 1786 and 1792 is 1600256.

2. What are the Factors of 1786?

Answer: Factors of 1786 are 1, 2, 19, 38, 47, 94, 893, 1786. There are 8 integers that are factors of 1786. The greatest factor of 1786 is 1786.

3. What are the Factors of 1792?

Answer: Factors of 1792 are 1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792. There are 18 integers that are factors of 1792. The greatest factor of 1792 is 1792.

4. How to Find the LCM of 1786 and 1792?

Answer:

Least Common Multiple of 1786 and 1792 = 1600256

Step 1: Find the prime factorization of 1786

1786 = 2 x 19 x 47

Step 2: Find the prime factorization of 1792

1792 = 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 7

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

LCM = 1600256 = 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 7 x 19 x 47

Step 4: Therefore, the least common multiple of 1786 and 1792 is 1600256.