Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 6620 and 6628 the smallest integer that is 10969340 that is divisible by both numbers.
Least Common Multiple (LCM) of 6620 and 6628 is 10969340.
LCM(6620,6628) = 10969340
Least common multiple or lowest common denominator (LCD) can be calculated in three ways;
Least common multiple can be found by multiplying the highest exponent prime factors of 6620 and 6628. First we will calculate the prime factors of 6620 and 6628.
Prime Factorization of 6620
2 | 6620 |
2 | 3310 |
5 | 1655 |
331 | 331 |
1 |
Prime factors of 6620 are 2, 5,331. Prime factorization of 6620 in exponential form is:
6620 = 22×51×3311
Prime Factorization of 6628
2 | 6628 |
2 | 3314 |
1657 | 1657 |
1 |
Prime factors of 6628 are 2,1657. Prime factorization of 6628 in exponential form is:
6628 = 22×16571
Now multiplying the highest exponent prime factors to calculate the LCM of 6620 and 6628.
LCM(6620,6628) = 22×51×3311×16571
LCM(6620,6628) = 10969340
Factors of 6620
List of positive integer factors of 6620 that divides 6620 without a remainder.
1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 3310, 6620
Factors of 6628
List of positive integer factors of 6628 that divides 6628 without a remainder.
1, 2, 4, 1657, 3314, 6628
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6620 and 6628, than apply into the LCM equation.
GCF(6620,6628) = 4
LCM(6620,6628) = ( 6620 × 6628) / 4
LCM(6620,6628) = 43877360 / 4
LCM(6620,6628) = 10969340
(i) The LCM of 6628 and 6620 is associative
LCM of 6620 and 6628 = LCM of 6628 and 6620
1. What is the LCM of 6620 and 6628?
Answer: LCM of 6620 and 6628 is 10969340.
2. What are the Factors of 6620?
Answer: Factors of 6620 are 1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 3310, 6620. There are 12 integers that are factors of 6620. The greatest factor of 6620 is 6620.
3. What are the Factors of 6628?
Answer: Factors of 6628 are 1, 2, 4, 1657, 3314, 6628. There are 6 integers that are factors of 6628. The greatest factor of 6628 is 6628.
4. How to Find the LCM of 6620 and 6628?
Answer:
Least Common Multiple of 6620 and 6628 = 10969340
Step 1: Find the prime factorization of 6620
6620 = 2 x 2 x 5 x 331
Step 2: Find the prime factorization of 6628
6628 = 2 x 2 x 1657
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 10969340 = 2 x 2 x 5 x 331 x 1657
Step 4: Therefore, the least common multiple of 6620 and 6628 is 10969340.