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What is the Least Common Multiple of 78250 and 78261?

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 78250 and 78261 is 6123923250.

LCM(78250,78261) = 6123923250

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Least Common Multiple of 78250 and 78261 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78250 and 78261, than apply into the LCM equation.

GCF(78250,78261) = 1
LCM(78250,78261) = ( 78250 × 78261) / 1
LCM(78250,78261) = 6123923250 / 1
LCM(78250,78261) = 6123923250

Least Common Multiple (LCM) of 78250 and 78261 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78250 and 78261. First we will calculate the prime factors of 78250 and 78261.

Prime Factorization of 78250

Prime factors of 78250 are 2, 5, 313. Prime factorization of 78250 in exponential form is:

78250 = 21 × 53 × 3131

Prime Factorization of 78261

Prime factors of 78261 are 3, 19, 1373. Prime factorization of 78261 in exponential form is:

78261 = 31 × 191 × 13731

Now multiplying the highest exponent prime factors to calculate the LCM of 78250 and 78261.

LCM(78250,78261) = 21 × 53 × 3131 × 31 × 191 × 13731
LCM(78250,78261) = 6123923250