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What is the Least Common Multiple of 79910 and 79922?

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 79910 and 79922 is 3193283510.

LCM(79910,79922) = 3193283510

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Least Common Multiple of 79910 and 79922 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79910 and 79922, than apply into the LCM equation.

GCF(79910,79922) = 2
LCM(79910,79922) = ( 79910 × 79922) / 2
LCM(79910,79922) = 6386567020 / 2
LCM(79910,79922) = 3193283510

Least Common Multiple (LCM) of 79910 and 79922 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79910 and 79922. First we will calculate the prime factors of 79910 and 79922.

Prime Factorization of 79910

Prime factors of 79910 are 2, 5, 61, 131. Prime factorization of 79910 in exponential form is:

79910 = 21 × 51 × 611 × 1311

Prime Factorization of 79922

Prime factors of 79922 are 2, 89, 449. Prime factorization of 79922 in exponential form is:

79922 = 21 × 891 × 4491

Now multiplying the highest exponent prime factors to calculate the LCM of 79910 and 79922.

LCM(79910,79922) = 21 × 51 × 611 × 1311 × 891 × 4491
LCM(79910,79922) = 3193283510