Least Common Multiple of 7778 and 7784

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 7778 and 7784 the smallest integer that is 30271976 that is divisible by both numbers.

Least Common Multiple (LCM) of 7778 and 7784 is 30271976.

LCM(7778,7784) = 30271976

LCM of 7778 and 7784

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

LCM of:
and

Least Common Multiple of 7778 and 7784

LCM of 7778 and 7784 is 30271976

Least common multiple can be found by multiplying the highest exponent prime factors of 7778 and 7784. First we will calculate the prime factors of 7778 and 7784.

Prime Factorization of 7778


2 7778
3889 3889
1

Prime factors of 7778 are 2,3889. Prime factorization of 7778 in exponential form is:

7778 = 21×38891

Prime Factorization of 7784


2 7784
2 3892
2 1946
7 973
139 139
1

Prime factors of 7784 are 2, 7,139. Prime factorization of 7784 in exponential form is:

7784 = 23×71×1391

Now multiplying the highest exponent prime factors to calculate the LCM of 7778 and 7784.

LCM(7778,7784) = 23×71×1391×38891
LCM(7778,7784) = 30271976

Factors of 7778

List of positive integer factors of 7778 that divides 7778 without a remainder.

1, 2, 3889, 7778

Factors of 7784

List of positive integer factors of 7784 that divides 7784 without a remainder.

1, 2, 4, 7, 8, 14, 28, 56, 139, 278, 556, 973, 1112, 1946, 3892, 7784

Least Common Multiple of 7778 and 7784 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7778 and 7784, than apply into the LCM equation.

GCF(7778,7784) = 2
LCM(7778,7784) = ( 7778 × 7784) / 2
LCM(7778,7784) = 60543952 / 2
LCM(7778,7784) = 30271976

Properties of LCM 7778 and 7784

(i) The LCM of 7784 and 7778 is associative

LCM of 7778 and 7784 = LCM of 7784 and 7778

Frequently Asked Questions on LCM of 7778 and 7784

1. What is the LCM of 7778 and 7784?

Answer: LCM of 7778 and 7784 is 30271976.

2. What are the Factors of 7778?

Answer: Factors of 7778 are 1, 2, 3889, 7778. There are 4 integers that are factors of 7778. The greatest factor of 7778 is 7778.

3. What are the Factors of 7784?

Answer: Factors of 7784 are 1, 2, 4, 7, 8, 14, 28, 56, 139, 278, 556, 973, 1112, 1946, 3892, 7784. There are 16 integers that are factors of 7784. The greatest factor of 7784 is 7784.

4. How to Find the LCM of 7778 and 7784?

Answer:

Least Common Multiple of 7778 and 7784 = 30271976

Step 1: Find the prime factorization of 7778

7778 = 2 x 3889

Step 2: Find the prime factorization of 7784

7784 = 2 x 2 x 2 x 7 x 139

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

LCM = 30271976 = 2 x 2 x 2 x 7 x 139 x 3889

Step 4: Therefore, the least common multiple of 7778 and 7784 is 30271976.