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What is the Least Common Multiple of 6825 and 6830?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 6825 and 6830 is 9322950.

LCM(6825,6830) = 9322950

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Least Common Multiple of 6825 and 6830 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6825 and 6830, than apply into the LCM equation.

GCF(6825,6830) = 5
LCM(6825,6830) = ( 6825 × 6830) / 5
LCM(6825,6830) = 46614750 / 5
LCM(6825,6830) = 9322950

Least Common Multiple (LCM) of 6825 and 6830 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6825 and 6830. First we will calculate the prime factors of 6825 and 6830.

Prime Factorization of 6825

Prime factors of 6825 are 3, 5, 7, 13. Prime factorization of 6825 in exponential form is:

6825 = 31 × 52 × 71 × 131

Prime Factorization of 6830

Prime factors of 6830 are 2, 5, 683. Prime factorization of 6830 in exponential form is:

6830 = 21 × 51 × 6831

Now multiplying the highest exponent prime factors to calculate the LCM of 6825 and 6830.

LCM(6825,6830) = 31 × 52 × 71 × 131 × 21 × 6831
LCM(6825,6830) = 9322950