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What is the Least Common Multiple of 78395 and 78410?

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 78395 and 78410 is 1229390390.

LCM(78395,78410) = 1229390390

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Least Common Multiple of 78395 and 78410 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78395 and 78410, than apply into the LCM equation.

GCF(78395,78410) = 5
LCM(78395,78410) = ( 78395 × 78410) / 5
LCM(78395,78410) = 6146951950 / 5
LCM(78395,78410) = 1229390390

Least Common Multiple (LCM) of 78395 and 78410 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78395 and 78410. First we will calculate the prime factors of 78395 and 78410.

Prime Factorization of 78395

Prime factors of 78395 are 5, 15679. Prime factorization of 78395 in exponential form is:

78395 = 51 × 156791

Prime Factorization of 78410

Prime factors of 78410 are 2, 5, 7841. Prime factorization of 78410 in exponential form is:

78410 = 21 × 51 × 78411

Now multiplying the highest exponent prime factors to calculate the LCM of 78395 and 78410.

LCM(78395,78410) = 51 × 156791 × 21 × 78411
LCM(78395,78410) = 1229390390