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What is the Least Common Multiple of 74977 and 74985?

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 74977 and 74985 is 5622150345.

LCM(74977,74985) = 5622150345

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Least Common Multiple of 74977 and 74985 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74977 and 74985, than apply into the LCM equation.

GCF(74977,74985) = 1
LCM(74977,74985) = ( 74977 × 74985) / 1
LCM(74977,74985) = 5622150345 / 1
LCM(74977,74985) = 5622150345

Least Common Multiple (LCM) of 74977 and 74985 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74977 and 74985. First we will calculate the prime factors of 74977 and 74985.

Prime Factorization of 74977

Prime factors of 74977 are 7, 10711. Prime factorization of 74977 in exponential form is:

74977 = 71 × 107111

Prime Factorization of 74985

Prime factors of 74985 are 3, 5, 4999. Prime factorization of 74985 in exponential form is:

74985 = 31 × 51 × 49991

Now multiplying the highest exponent prime factors to calculate the LCM of 74977 and 74985.

LCM(74977,74985) = 71 × 107111 × 31 × 51 × 49991
LCM(74977,74985) = 5622150345