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What is the Least Common Multiple of 78602 and 78621?

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 78602 and 78621 is 6179767842.

LCM(78602,78621) = 6179767842

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Least Common Multiple of 78602 and 78621 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78602 and 78621, than apply into the LCM equation.

GCF(78602,78621) = 1
LCM(78602,78621) = ( 78602 × 78621) / 1
LCM(78602,78621) = 6179767842 / 1
LCM(78602,78621) = 6179767842

Least Common Multiple (LCM) of 78602 and 78621 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78602 and 78621. First we will calculate the prime factors of 78602 and 78621.

Prime Factorization of 78602

Prime factors of 78602 are 2, 39301. Prime factorization of 78602 in exponential form is:

78602 = 21 × 393011

Prime Factorization of 78621

Prime factors of 78621 are 3, 73, 359. Prime factorization of 78621 in exponential form is:

78621 = 31 × 731 × 3591

Now multiplying the highest exponent prime factors to calculate the LCM of 78602 and 78621.

LCM(78602,78621) = 21 × 393011 × 31 × 731 × 3591
LCM(78602,78621) = 6179767842