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What is the Least Common Multiple of 68722 and 68738?

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 68722 and 68738 is 2361906418.

LCM(68722,68738) = 2361906418

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Least Common Multiple of 68722 and 68738 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68722 and 68738, than apply into the LCM equation.

GCF(68722,68738) = 2
LCM(68722,68738) = ( 68722 × 68738) / 2
LCM(68722,68738) = 4723812836 / 2
LCM(68722,68738) = 2361906418

Least Common Multiple (LCM) of 68722 and 68738 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68722 and 68738. First we will calculate the prime factors of 68722 and 68738.

Prime Factorization of 68722

Prime factors of 68722 are 2, 34361. Prime factorization of 68722 in exponential form is:

68722 = 21 × 343611

Prime Factorization of 68738

Prime factors of 68738 are 2, 34369. Prime factorization of 68738 in exponential form is:

68738 = 21 × 343691

Now multiplying the highest exponent prime factors to calculate the LCM of 68722 and 68738.

LCM(68722,68738) = 21 × 343611 × 343691
LCM(68722,68738) = 2361906418