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What is the Least Common Multiple of 77242 and 77256?

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 77242 and 77256 is 2983703976.

LCM(77242,77256) = 2983703976

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Least Common Multiple of 77242 and 77256 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77242 and 77256, than apply into the LCM equation.

GCF(77242,77256) = 2
LCM(77242,77256) = ( 77242 × 77256) / 2
LCM(77242,77256) = 5967407952 / 2
LCM(77242,77256) = 2983703976

Least Common Multiple (LCM) of 77242 and 77256 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77242 and 77256. First we will calculate the prime factors of 77242 and 77256.

Prime Factorization of 77242

Prime factors of 77242 are 2, 11, 3511. Prime factorization of 77242 in exponential form is:

77242 = 21 × 111 × 35111

Prime Factorization of 77256

Prime factors of 77256 are 2, 3, 29, 37. Prime factorization of 77256 in exponential form is:

77256 = 23 × 32 × 291 × 371

Now multiplying the highest exponent prime factors to calculate the LCM of 77242 and 77256.

LCM(77242,77256) = 23 × 111 × 35111 × 32 × 291 × 371
LCM(77242,77256) = 2983703976