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What is the Least Common Multiple of 78274 and 78291?

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 78274 and 78291 is 6128149734.

LCM(78274,78291) = 6128149734

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Least Common Multiple of 78274 and 78291 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78274 and 78291, than apply into the LCM equation.

GCF(78274,78291) = 1
LCM(78274,78291) = ( 78274 × 78291) / 1
LCM(78274,78291) = 6128149734 / 1
LCM(78274,78291) = 6128149734

Least Common Multiple (LCM) of 78274 and 78291 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78274 and 78291. First we will calculate the prime factors of 78274 and 78291.

Prime Factorization of 78274

Prime factors of 78274 are 2, 7, 5591. Prime factorization of 78274 in exponential form is:

78274 = 21 × 71 × 55911

Prime Factorization of 78291

Prime factors of 78291 are 3, 8699. Prime factorization of 78291 in exponential form is:

78291 = 32 × 86991

Now multiplying the highest exponent prime factors to calculate the LCM of 78274 and 78291.

LCM(78274,78291) = 21 × 71 × 55911 × 32 × 86991
LCM(78274,78291) = 6128149734