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What is the Least Common Multiple of 78850 and 78858?

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 78850 and 78858 is 3108976650.

LCM(78850,78858) = 3108976650

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Least Common Multiple of 78850 and 78858 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78850 and 78858, than apply into the LCM equation.

GCF(78850,78858) = 2
LCM(78850,78858) = ( 78850 × 78858) / 2
LCM(78850,78858) = 6217953300 / 2
LCM(78850,78858) = 3108976650

Least Common Multiple (LCM) of 78850 and 78858 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78850 and 78858. First we will calculate the prime factors of 78850 and 78858.

Prime Factorization of 78850

Prime factors of 78850 are 2, 5, 19, 83. Prime factorization of 78850 in exponential form is:

78850 = 21 × 52 × 191 × 831

Prime Factorization of 78858

Prime factors of 78858 are 2, 3, 13, 337. Prime factorization of 78858 in exponential form is:

78858 = 21 × 32 × 131 × 3371

Now multiplying the highest exponent prime factors to calculate the LCM of 78850 and 78858.

LCM(78850,78858) = 21 × 52 × 191 × 831 × 32 × 131 × 3371
LCM(78850,78858) = 3108976650