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What is the Least Common Multiple of 78862 and 78882?

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 78862 and 78882 is 3110396142.

LCM(78862,78882) = 3110396142

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Least Common Multiple of 78862 and 78882 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78862 and 78882, than apply into the LCM equation.

GCF(78862,78882) = 2
LCM(78862,78882) = ( 78862 × 78882) / 2
LCM(78862,78882) = 6220792284 / 2
LCM(78862,78882) = 3110396142

Least Common Multiple (LCM) of 78862 and 78882 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78862 and 78882. First we will calculate the prime factors of 78862 and 78882.

Prime Factorization of 78862

Prime factors of 78862 are 2, 7, 43, 131. Prime factorization of 78862 in exponential form is:

78862 = 21 × 71 × 431 × 1311

Prime Factorization of 78882

Prime factors of 78882 are 2, 3, 13147. Prime factorization of 78882 in exponential form is:

78882 = 21 × 31 × 131471

Now multiplying the highest exponent prime factors to calculate the LCM of 78862 and 78882.

LCM(78862,78882) = 21 × 71 × 431 × 1311 × 31 × 131471
LCM(78862,78882) = 3110396142