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What is the Least Common Multiple of 78211 and 78224?

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 78211 and 78224 is 6117977264.

LCM(78211,78224) = 6117977264

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Least Common Multiple of 78211 and 78224 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78211 and 78224, than apply into the LCM equation.

GCF(78211,78224) = 1
LCM(78211,78224) = ( 78211 × 78224) / 1
LCM(78211,78224) = 6117977264 / 1
LCM(78211,78224) = 6117977264

Least Common Multiple (LCM) of 78211 and 78224 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78211 and 78224. First we will calculate the prime factors of 78211 and 78224.

Prime Factorization of 78211

Prime factors of 78211 are 7, 11173. Prime factorization of 78211 in exponential form is:

78211 = 71 × 111731

Prime Factorization of 78224

Prime factors of 78224 are 2, 4889. Prime factorization of 78224 in exponential form is:

78224 = 24 × 48891

Now multiplying the highest exponent prime factors to calculate the LCM of 78211 and 78224.

LCM(78211,78224) = 71 × 111731 × 24 × 48891
LCM(78211,78224) = 6117977264