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What is the Least Common Multiple of 78495 and 78505?

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 78495 and 78505 is 1232449995.

LCM(78495,78505) = 1232449995

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Least Common Multiple of 78495 and 78505 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78495 and 78505, than apply into the LCM equation.

GCF(78495,78505) = 5
LCM(78495,78505) = ( 78495 × 78505) / 5
LCM(78495,78505) = 6162249975 / 5
LCM(78495,78505) = 1232449995

Least Common Multiple (LCM) of 78495 and 78505 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78495 and 78505. First we will calculate the prime factors of 78495 and 78505.

Prime Factorization of 78495

Prime factors of 78495 are 3, 5, 5233. Prime factorization of 78495 in exponential form is:

78495 = 31 × 51 × 52331

Prime Factorization of 78505

Prime factors of 78505 are 5, 7, 2243. Prime factorization of 78505 in exponential form is:

78505 = 51 × 71 × 22431

Now multiplying the highest exponent prime factors to calculate the LCM of 78495 and 78505.

LCM(78495,78505) = 31 × 51 × 52331 × 71 × 22431
LCM(78495,78505) = 1232449995