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What is the Least Common Multiple of 77418 and 77434?

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 77418 and 77434 is 2997392706.

LCM(77418,77434) = 2997392706

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Least Common Multiple of 77418 and 77434 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77418 and 77434, than apply into the LCM equation.

GCF(77418,77434) = 2
LCM(77418,77434) = ( 77418 × 77434) / 2
LCM(77418,77434) = 5994785412 / 2
LCM(77418,77434) = 2997392706

Least Common Multiple (LCM) of 77418 and 77434 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77418 and 77434. First we will calculate the prime factors of 77418 and 77434.

Prime Factorization of 77418

Prime factors of 77418 are 2, 3, 11, 17, 23. Prime factorization of 77418 in exponential form is:

77418 = 21 × 32 × 111 × 171 × 231

Prime Factorization of 77434

Prime factors of 77434 are 2, 7, 5531. Prime factorization of 77434 in exponential form is:

77434 = 21 × 71 × 55311

Now multiplying the highest exponent prime factors to calculate the LCM of 77418 and 77434.

LCM(77418,77434) = 21 × 32 × 111 × 171 × 231 × 71 × 55311
LCM(77418,77434) = 2997392706