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What is the Least Common Multiple of 77212 and 77224?

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 77212 and 77224 is 1490654872.

LCM(77212,77224) = 1490654872

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Least Common Multiple of 77212 and 77224 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77212 and 77224, than apply into the LCM equation.

GCF(77212,77224) = 4
LCM(77212,77224) = ( 77212 × 77224) / 4
LCM(77212,77224) = 5962619488 / 4
LCM(77212,77224) = 1490654872

Least Common Multiple (LCM) of 77212 and 77224 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77212 and 77224. First we will calculate the prime factors of 77212 and 77224.

Prime Factorization of 77212

Prime factors of 77212 are 2, 97, 199. Prime factorization of 77212 in exponential form is:

77212 = 22 × 971 × 1991

Prime Factorization of 77224

Prime factors of 77224 are 2, 7, 197. Prime factorization of 77224 in exponential form is:

77224 = 23 × 72 × 1971

Now multiplying the highest exponent prime factors to calculate the LCM of 77212 and 77224.

LCM(77212,77224) = 23 × 971 × 1991 × 72 × 1971
LCM(77212,77224) = 1490654872