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What is the Least Common Multiple of 99673 and 99680?

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 99673 and 99680 is 1419343520.

LCM(99673,99680) = 1419343520

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Least Common Multiple of 99673 and 99680 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 99673 and 99680, than apply into the LCM equation.

GCF(99673,99680) = 7
LCM(99673,99680) = ( 99673 × 99680) / 7
LCM(99673,99680) = 9935404640 / 7
LCM(99673,99680) = 1419343520

Least Common Multiple (LCM) of 99673 and 99680 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 99673 and 99680. First we will calculate the prime factors of 99673 and 99680.

Prime Factorization of 99673

Prime factors of 99673 are 7, 29, 491. Prime factorization of 99673 in exponential form is:

99673 = 71 × 291 × 4911

Prime Factorization of 99680

Prime factors of 99680 are 2, 5, 7, 89. Prime factorization of 99680 in exponential form is:

99680 = 25 × 51 × 71 × 891

Now multiplying the highest exponent prime factors to calculate the LCM of 99673 and 99680.

LCM(99673,99680) = 71 × 291 × 4911 × 25 × 51 × 891
LCM(99673,99680) = 1419343520