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What is the Least Common Multiple of 56978 and 56993?

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 56978 and 56993 is 3247347154.

LCM(56978,56993) = 3247347154

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Least Common Multiple of 56978 and 56993 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 56978 and 56993, than apply into the LCM equation.

GCF(56978,56993) = 1
LCM(56978,56993) = ( 56978 × 56993) / 1
LCM(56978,56993) = 3247347154 / 1
LCM(56978,56993) = 3247347154

Least Common Multiple (LCM) of 56978 and 56993 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 56978 and 56993. First we will calculate the prime factors of 56978 and 56993.

Prime Factorization of 56978

Prime factors of 56978 are 2, 31, 919. Prime factorization of 56978 in exponential form is:

56978 = 21 × 311 × 9191

Prime Factorization of 56993

Prime factors of 56993 are 56993. Prime factorization of 56993 in exponential form is:

56993 = 569931

Now multiplying the highest exponent prime factors to calculate the LCM of 56978 and 56993.

LCM(56978,56993) = 21 × 311 × 9191 × 569931
LCM(56978,56993) = 3247347154