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What is the Least Common Multiple of 65670 and 65676?

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 65670 and 65676 is 718823820.

LCM(65670,65676) = 718823820

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Least Common Multiple of 65670 and 65676 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65670 and 65676, than apply into the LCM equation.

GCF(65670,65676) = 6
LCM(65670,65676) = ( 65670 × 65676) / 6
LCM(65670,65676) = 4312942920 / 6
LCM(65670,65676) = 718823820

Least Common Multiple (LCM) of 65670 and 65676 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65670 and 65676. First we will calculate the prime factors of 65670 and 65676.

Prime Factorization of 65670

Prime factors of 65670 are 2, 3, 5, 11, 199. Prime factorization of 65670 in exponential form is:

65670 = 21 × 31 × 51 × 111 × 1991

Prime Factorization of 65676

Prime factors of 65676 are 2, 3, 13, 421. Prime factorization of 65676 in exponential form is:

65676 = 22 × 31 × 131 × 4211

Now multiplying the highest exponent prime factors to calculate the LCM of 65670 and 65676.

LCM(65670,65676) = 22 × 31 × 51 × 111 × 1991 × 131 × 4211
LCM(65670,65676) = 718823820