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What is the Least Common Multiple of 77625 and 77638?

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 77625 and 77638 is 6026649750.

LCM(77625,77638) = 6026649750

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Least Common Multiple of 77625 and 77638 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77625 and 77638, than apply into the LCM equation.

GCF(77625,77638) = 1
LCM(77625,77638) = ( 77625 × 77638) / 1
LCM(77625,77638) = 6026649750 / 1
LCM(77625,77638) = 6026649750

Least Common Multiple (LCM) of 77625 and 77638 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77625 and 77638. First we will calculate the prime factors of 77625 and 77638.

Prime Factorization of 77625

Prime factors of 77625 are 3, 5, 23. Prime factorization of 77625 in exponential form is:

77625 = 33 × 53 × 231

Prime Factorization of 77638

Prime factors of 77638 are 2, 11, 3529. Prime factorization of 77638 in exponential form is:

77638 = 21 × 111 × 35291

Now multiplying the highest exponent prime factors to calculate the LCM of 77625 and 77638.

LCM(77625,77638) = 33 × 53 × 231 × 21 × 111 × 35291
LCM(77625,77638) = 6026649750