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What is the Least Common Multiple of 72611 and 72618?

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 72611 and 72618 is 753266514.

LCM(72611,72618) = 753266514

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Least Common Multiple of 72611 and 72618 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72611 and 72618, than apply into the LCM equation.

GCF(72611,72618) = 7
LCM(72611,72618) = ( 72611 × 72618) / 7
LCM(72611,72618) = 5272865598 / 7
LCM(72611,72618) = 753266514

Least Common Multiple (LCM) of 72611 and 72618 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72611 and 72618. First we will calculate the prime factors of 72611 and 72618.

Prime Factorization of 72611

Prime factors of 72611 are 7, 11, 23, 41. Prime factorization of 72611 in exponential form is:

72611 = 71 × 111 × 231 × 411

Prime Factorization of 72618

Prime factors of 72618 are 2, 3, 7, 13, 19. Prime factorization of 72618 in exponential form is:

72618 = 21 × 31 × 72 × 131 × 191

Now multiplying the highest exponent prime factors to calculate the LCM of 72611 and 72618.

LCM(72611,72618) = 72 × 111 × 231 × 411 × 21 × 31 × 131 × 191
LCM(72611,72618) = 753266514