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What is the Least Common Multiple of 91968 and 91979?

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 91968 and 91979 is 8459124672.

LCM(91968,91979) = 8459124672

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Least Common Multiple of 91968 and 91979 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91968 and 91979, than apply into the LCM equation.

GCF(91968,91979) = 1
LCM(91968,91979) = ( 91968 × 91979) / 1
LCM(91968,91979) = 8459124672 / 1
LCM(91968,91979) = 8459124672

Least Common Multiple (LCM) of 91968 and 91979 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91968 and 91979. First we will calculate the prime factors of 91968 and 91979.

Prime Factorization of 91968

Prime factors of 91968 are 2, 3, 479. Prime factorization of 91968 in exponential form is:

91968 = 26 × 31 × 4791

Prime Factorization of 91979

Prime factors of 91979 are 19, 47, 103. Prime factorization of 91979 in exponential form is:

91979 = 191 × 471 × 1031

Now multiplying the highest exponent prime factors to calculate the LCM of 91968 and 91979.

LCM(91968,91979) = 26 × 31 × 4791 × 191 × 471 × 1031
LCM(91968,91979) = 8459124672