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What is the Least Common Multiple of 76446 and 76456?

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 76446 and 76456 is 2922377688.

LCM(76446,76456) = 2922377688

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Least Common Multiple of 76446 and 76456 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76446 and 76456, than apply into the LCM equation.

GCF(76446,76456) = 2
LCM(76446,76456) = ( 76446 × 76456) / 2
LCM(76446,76456) = 5844755376 / 2
LCM(76446,76456) = 2922377688

Least Common Multiple (LCM) of 76446 and 76456 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 76446 and 76456. First we will calculate the prime factors of 76446 and 76456.

Prime Factorization of 76446

Prime factors of 76446 are 2, 3, 31, 137. Prime factorization of 76446 in exponential form is:

76446 = 21 × 32 × 311 × 1371

Prime Factorization of 76456

Prime factors of 76456 are 2, 19, 503. Prime factorization of 76456 in exponential form is:

76456 = 23 × 191 × 5031

Now multiplying the highest exponent prime factors to calculate the LCM of 76446 and 76456.

LCM(76446,76456) = 23 × 32 × 311 × 1371 × 191 × 5031
LCM(76446,76456) = 2922377688