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What is the Least Common Multiple of 77738 and 77758?

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 77738 and 77758 is 3022375702.

LCM(77738,77758) = 3022375702

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Least Common Multiple of 77738 and 77758 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77738 and 77758, than apply into the LCM equation.

GCF(77738,77758) = 2
LCM(77738,77758) = ( 77738 × 77758) / 2
LCM(77738,77758) = 6044751404 / 2
LCM(77738,77758) = 3022375702

Least Common Multiple (LCM) of 77738 and 77758 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77738 and 77758. First we will calculate the prime factors of 77738 and 77758.

Prime Factorization of 77738

Prime factors of 77738 are 2, 47, 827. Prime factorization of 77738 in exponential form is:

77738 = 21 × 471 × 8271

Prime Factorization of 77758

Prime factors of 77758 are 2, 17, 2287. Prime factorization of 77758 in exponential form is:

77758 = 21 × 171 × 22871

Now multiplying the highest exponent prime factors to calculate the LCM of 77738 and 77758.

LCM(77738,77758) = 21 × 471 × 8271 × 171 × 22871
LCM(77738,77758) = 3022375702