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What is the Least Common Multiple of 75958 and 75978?

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 75958 and 75978 is 2885568462.

LCM(75958,75978) = 2885568462

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Least Common Multiple of 75958 and 75978 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75958 and 75978, than apply into the LCM equation.

GCF(75958,75978) = 2
LCM(75958,75978) = ( 75958 × 75978) / 2
LCM(75958,75978) = 5771136924 / 2
LCM(75958,75978) = 2885568462

Least Common Multiple (LCM) of 75958 and 75978 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75958 and 75978. First we will calculate the prime factors of 75958 and 75978.

Prime Factorization of 75958

Prime factors of 75958 are 2, 163, 233. Prime factorization of 75958 in exponential form is:

75958 = 21 × 1631 × 2331

Prime Factorization of 75978

Prime factors of 75978 are 2, 3, 7, 67. Prime factorization of 75978 in exponential form is:

75978 = 21 × 34 × 71 × 671

Now multiplying the highest exponent prime factors to calculate the LCM of 75958 and 75978.

LCM(75958,75978) = 21 × 1631 × 2331 × 34 × 71 × 671
LCM(75958,75978) = 2885568462