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What is the Least Common Multiple of 6886 and 6905?

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 6886 and 6905 is 47547830.

LCM(6886,6905) = 47547830

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Least Common Multiple of 6886 and 6905 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6886 and 6905, than apply into the LCM equation.

GCF(6886,6905) = 1
LCM(6886,6905) = ( 6886 × 6905) / 1
LCM(6886,6905) = 47547830 / 1
LCM(6886,6905) = 47547830

Least Common Multiple (LCM) of 6886 and 6905 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6886 and 6905. First we will calculate the prime factors of 6886 and 6905.

Prime Factorization of 6886

Prime factors of 6886 are 2, 11, 313. Prime factorization of 6886 in exponential form is:

6886 = 21 × 111 × 3131

Prime Factorization of 6905

Prime factors of 6905 are 5, 1381. Prime factorization of 6905 in exponential form is:

6905 = 51 × 13811

Now multiplying the highest exponent prime factors to calculate the LCM of 6886 and 6905.

LCM(6886,6905) = 21 × 111 × 3131 × 51 × 13811
LCM(6886,6905) = 47547830