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What is the Least Common Multiple of 79977 and 79991?

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 79977 and 79991 is 6397440207.

LCM(79977,79991) = 6397440207

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Least Common Multiple of 79977 and 79991 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79977 and 79991, than apply into the LCM equation.

GCF(79977,79991) = 1
LCM(79977,79991) = ( 79977 × 79991) / 1
LCM(79977,79991) = 6397440207 / 1
LCM(79977,79991) = 6397440207

Least Common Multiple (LCM) of 79977 and 79991 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79977 and 79991. First we will calculate the prime factors of 79977 and 79991.

Prime Factorization of 79977

Prime factors of 79977 are 3, 53, 503. Prime factorization of 79977 in exponential form is:

79977 = 31 × 531 × 5031

Prime Factorization of 79991

Prime factors of 79991 are 41, 1951. Prime factorization of 79991 in exponential form is:

79991 = 411 × 19511

Now multiplying the highest exponent prime factors to calculate the LCM of 79977 and 79991.

LCM(79977,79991) = 31 × 531 × 5031 × 411 × 19511
LCM(79977,79991) = 6397440207