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What is the Least Common Multiple of 78968 and 78985?

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 78968 and 78985 is 6237287480.

LCM(78968,78985) = 6237287480

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Least Common Multiple of 78968 and 78985 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78968 and 78985, than apply into the LCM equation.

GCF(78968,78985) = 1
LCM(78968,78985) = ( 78968 × 78985) / 1
LCM(78968,78985) = 6237287480 / 1
LCM(78968,78985) = 6237287480

Least Common Multiple (LCM) of 78968 and 78985 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78968 and 78985. First we will calculate the prime factors of 78968 and 78985.

Prime Factorization of 78968

Prime factors of 78968 are 2, 9871. Prime factorization of 78968 in exponential form is:

78968 = 23 × 98711

Prime Factorization of 78985

Prime factors of 78985 are 5, 15797. Prime factorization of 78985 in exponential form is:

78985 = 51 × 157971

Now multiplying the highest exponent prime factors to calculate the LCM of 78968 and 78985.

LCM(78968,78985) = 23 × 98711 × 51 × 157971
LCM(78968,78985) = 6237287480