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What is the Least Common Multiple of 78246 and 78265?

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 78246 and 78265 is 6123923190.

LCM(78246,78265) = 6123923190

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Least Common Multiple of 78246 and 78265 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78246 and 78265, than apply into the LCM equation.

GCF(78246,78265) = 1
LCM(78246,78265) = ( 78246 × 78265) / 1
LCM(78246,78265) = 6123923190 / 1
LCM(78246,78265) = 6123923190

Least Common Multiple (LCM) of 78246 and 78265 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78246 and 78265. First we will calculate the prime factors of 78246 and 78265.

Prime Factorization of 78246

Prime factors of 78246 are 2, 3, 7, 23. Prime factorization of 78246 in exponential form is:

78246 = 21 × 35 × 71 × 231

Prime Factorization of 78265

Prime factors of 78265 are 5, 11, 1423. Prime factorization of 78265 in exponential form is:

78265 = 51 × 111 × 14231

Now multiplying the highest exponent prime factors to calculate the LCM of 78246 and 78265.

LCM(78246,78265) = 21 × 35 × 71 × 231 × 51 × 111 × 14231
LCM(78246,78265) = 6123923190