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What is the Least Common Multiple of 91938 and 91955?

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 91938 and 91955 is 8454158790.

LCM(91938,91955) = 8454158790

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Least Common Multiple of 91938 and 91955 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91938 and 91955, than apply into the LCM equation.

GCF(91938,91955) = 1
LCM(91938,91955) = ( 91938 × 91955) / 1
LCM(91938,91955) = 8454158790 / 1
LCM(91938,91955) = 8454158790

Least Common Multiple (LCM) of 91938 and 91955 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91938 and 91955. First we will calculate the prime factors of 91938 and 91955.

Prime Factorization of 91938

Prime factors of 91938 are 2, 3, 7, 11, 199. Prime factorization of 91938 in exponential form is:

91938 = 21 × 31 × 71 × 111 × 1991

Prime Factorization of 91955

Prime factors of 91955 are 5, 53, 347. Prime factorization of 91955 in exponential form is:

91955 = 51 × 531 × 3471

Now multiplying the highest exponent prime factors to calculate the LCM of 91938 and 91955.

LCM(91938,91955) = 21 × 31 × 71 × 111 × 1991 × 51 × 531 × 3471
LCM(91938,91955) = 8454158790