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What is the Least Common Multiple of 79078 and 79090?

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 79078 and 79090 is 3127139510.

LCM(79078,79090) = 3127139510

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Least Common Multiple of 79078 and 79090 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79078 and 79090, than apply into the LCM equation.

GCF(79078,79090) = 2
LCM(79078,79090) = ( 79078 × 79090) / 2
LCM(79078,79090) = 6254279020 / 2
LCM(79078,79090) = 3127139510

Least Common Multiple (LCM) of 79078 and 79090 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79078 and 79090. First we will calculate the prime factors of 79078 and 79090.

Prime Factorization of 79078

Prime factors of 79078 are 2, 19, 2081. Prime factorization of 79078 in exponential form is:

79078 = 21 × 191 × 20811

Prime Factorization of 79090

Prime factors of 79090 are 2, 5, 11, 719. Prime factorization of 79090 in exponential form is:

79090 = 21 × 51 × 111 × 7191

Now multiplying the highest exponent prime factors to calculate the LCM of 79078 and 79090.

LCM(79078,79090) = 21 × 191 × 20811 × 51 × 111 × 7191
LCM(79078,79090) = 3127139510