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What is the Least Common Multiple of 22978 and 22985?

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 22978 and 22985 is 528149330.

LCM(22978,22985) = 528149330

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Least Common Multiple of 22978 and 22985 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 22978 and 22985, than apply into the LCM equation.

GCF(22978,22985) = 1
LCM(22978,22985) = ( 22978 × 22985) / 1
LCM(22978,22985) = 528149330 / 1
LCM(22978,22985) = 528149330

Least Common Multiple (LCM) of 22978 and 22985 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 22978 and 22985. First we will calculate the prime factors of 22978 and 22985.

Prime Factorization of 22978

Prime factors of 22978 are 2, 11489. Prime factorization of 22978 in exponential form is:

22978 = 21 × 114891

Prime Factorization of 22985

Prime factors of 22985 are 5, 4597. Prime factorization of 22985 in exponential form is:

22985 = 51 × 45971

Now multiplying the highest exponent prime factors to calculate the LCM of 22978 and 22985.

LCM(22978,22985) = 21 × 114891 × 51 × 45971
LCM(22978,22985) = 528149330