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What is the Least Common Multiple of 77425 and 77438?

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 77425 and 77438 is 5995637150.

LCM(77425,77438) = 5995637150

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Least Common Multiple of 77425 and 77438 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77425 and 77438, than apply into the LCM equation.

GCF(77425,77438) = 1
LCM(77425,77438) = ( 77425 × 77438) / 1
LCM(77425,77438) = 5995637150 / 1
LCM(77425,77438) = 5995637150

Least Common Multiple (LCM) of 77425 and 77438 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77425 and 77438. First we will calculate the prime factors of 77425 and 77438.

Prime Factorization of 77425

Prime factors of 77425 are 5, 19, 163. Prime factorization of 77425 in exponential form is:

77425 = 52 × 191 × 1631

Prime Factorization of 77438

Prime factors of 77438 are 2, 31, 1249. Prime factorization of 77438 in exponential form is:

77438 = 21 × 311 × 12491

Now multiplying the highest exponent prime factors to calculate the LCM of 77425 and 77438.

LCM(77425,77438) = 52 × 191 × 1631 × 21 × 311 × 12491
LCM(77425,77438) = 5995637150