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What is the Least Common Multiple of 70634 and 70643?

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 70634 and 70643 is 4989797662.

LCM(70634,70643) = 4989797662

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Least Common Multiple of 70634 and 70643 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70634 and 70643, than apply into the LCM equation.

GCF(70634,70643) = 1
LCM(70634,70643) = ( 70634 × 70643) / 1
LCM(70634,70643) = 4989797662 / 1
LCM(70634,70643) = 4989797662

Least Common Multiple (LCM) of 70634 and 70643 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70634 and 70643. First we will calculate the prime factors of 70634 and 70643.

Prime Factorization of 70634

Prime factors of 70634 are 2, 35317. Prime factorization of 70634 in exponential form is:

70634 = 21 × 353171

Prime Factorization of 70643

Prime factors of 70643 are 41, 1723. Prime factorization of 70643 in exponential form is:

70643 = 411 × 17231

Now multiplying the highest exponent prime factors to calculate the LCM of 70634 and 70643.

LCM(70634,70643) = 21 × 353171 × 411 × 17231
LCM(70634,70643) = 4989797662