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What is the Least Common Multiple of 72762 and 72770?

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 72762 and 72770 is 2647445370.

LCM(72762,72770) = 2647445370

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Least Common Multiple of 72762 and 72770 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72762 and 72770, than apply into the LCM equation.

GCF(72762,72770) = 2
LCM(72762,72770) = ( 72762 × 72770) / 2
LCM(72762,72770) = 5294890740 / 2
LCM(72762,72770) = 2647445370

Least Common Multiple (LCM) of 72762 and 72770 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72762 and 72770. First we will calculate the prime factors of 72762 and 72770.

Prime Factorization of 72762

Prime factors of 72762 are 2, 3, 67, 181. Prime factorization of 72762 in exponential form is:

72762 = 21 × 31 × 671 × 1811

Prime Factorization of 72770

Prime factors of 72770 are 2, 5, 19, 383. Prime factorization of 72770 in exponential form is:

72770 = 21 × 51 × 191 × 3831

Now multiplying the highest exponent prime factors to calculate the LCM of 72762 and 72770.

LCM(72762,72770) = 21 × 31 × 671 × 1811 × 51 × 191 × 3831
LCM(72762,72770) = 2647445370