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What is the Least Common Multiple of 92420 and 92428?

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 92420 and 92428 is 2135548940.

LCM(92420,92428) = 2135548940

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Least Common Multiple of 92420 and 92428 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 92420 and 92428, than apply into the LCM equation.

GCF(92420,92428) = 4
LCM(92420,92428) = ( 92420 × 92428) / 4
LCM(92420,92428) = 8542195760 / 4
LCM(92420,92428) = 2135548940

Least Common Multiple (LCM) of 92420 and 92428 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 92420 and 92428. First we will calculate the prime factors of 92420 and 92428.

Prime Factorization of 92420

Prime factors of 92420 are 2, 5, 4621. Prime factorization of 92420 in exponential form is:

92420 = 22 × 51 × 46211

Prime Factorization of 92428

Prime factors of 92428 are 2, 7, 3301. Prime factorization of 92428 in exponential form is:

92428 = 22 × 71 × 33011

Now multiplying the highest exponent prime factors to calculate the LCM of 92420 and 92428.

LCM(92420,92428) = 22 × 51 × 46211 × 71 × 33011
LCM(92420,92428) = 2135548940