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What is the Least Common Multiple of 74991 and 74999?

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 74991 and 74999 is 5624250009.

LCM(74991,74999) = 5624250009

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Least Common Multiple of 74991 and 74999 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74991 and 74999, than apply into the LCM equation.

GCF(74991,74999) = 1
LCM(74991,74999) = ( 74991 × 74999) / 1
LCM(74991,74999) = 5624250009 / 1
LCM(74991,74999) = 5624250009

Least Common Multiple (LCM) of 74991 and 74999 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74991 and 74999. First we will calculate the prime factors of 74991 and 74999.

Prime Factorization of 74991

Prime factors of 74991 are 3, 7, 3571. Prime factorization of 74991 in exponential form is:

74991 = 31 × 71 × 35711

Prime Factorization of 74999

Prime factors of 74999 are 37, 2027. Prime factorization of 74999 in exponential form is:

74999 = 371 × 20271

Now multiplying the highest exponent prime factors to calculate the LCM of 74991 and 74999.

LCM(74991,74999) = 31 × 71 × 35711 × 371 × 20271
LCM(74991,74999) = 5624250009