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What is the Least Common Multiple of 77618 and 77622?

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 77618 and 77622 is 3012432198.

LCM(77618,77622) = 3012432198

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Least Common Multiple of 77618 and 77622 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77618 and 77622, than apply into the LCM equation.

GCF(77618,77622) = 2
LCM(77618,77622) = ( 77618 × 77622) / 2
LCM(77618,77622) = 6024864396 / 2
LCM(77618,77622) = 3012432198

Least Common Multiple (LCM) of 77618 and 77622 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77618 and 77622. First we will calculate the prime factors of 77618 and 77622.

Prime Factorization of 77618

Prime factors of 77618 are 2, 197. Prime factorization of 77618 in exponential form is:

77618 = 21 × 1972

Prime Factorization of 77622

Prime factors of 77622 are 2, 3, 17, 761. Prime factorization of 77622 in exponential form is:

77622 = 21 × 31 × 171 × 7611

Now multiplying the highest exponent prime factors to calculate the LCM of 77618 and 77622.

LCM(77618,77622) = 21 × 1972 × 31 × 171 × 7611
LCM(77618,77622) = 3012432198