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What is the Least Common Multiple of 78266 and 78280?

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 78266 and 78280 is 3063331240.

LCM(78266,78280) = 3063331240

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Least Common Multiple of 78266 and 78280 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78266 and 78280, than apply into the LCM equation.

GCF(78266,78280) = 2
LCM(78266,78280) = ( 78266 × 78280) / 2
LCM(78266,78280) = 6126662480 / 2
LCM(78266,78280) = 3063331240

Least Common Multiple (LCM) of 78266 and 78280 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78266 and 78280. First we will calculate the prime factors of 78266 and 78280.

Prime Factorization of 78266

Prime factors of 78266 are 2, 39133. Prime factorization of 78266 in exponential form is:

78266 = 21 × 391331

Prime Factorization of 78280

Prime factors of 78280 are 2, 5, 19, 103. Prime factorization of 78280 in exponential form is:

78280 = 23 × 51 × 191 × 1031

Now multiplying the highest exponent prime factors to calculate the LCM of 78266 and 78280.

LCM(78266,78280) = 23 × 391331 × 51 × 191 × 1031
LCM(78266,78280) = 3063331240