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What is the Least Common Multiple of 78709 and 78725?

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 78709 and 78725 is 6196366025.

LCM(78709,78725) = 6196366025

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Least Common Multiple of 78709 and 78725 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78709 and 78725, than apply into the LCM equation.

GCF(78709,78725) = 1
LCM(78709,78725) = ( 78709 × 78725) / 1
LCM(78709,78725) = 6196366025 / 1
LCM(78709,78725) = 6196366025

Least Common Multiple (LCM) of 78709 and 78725 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78709 and 78725. First we will calculate the prime factors of 78709 and 78725.

Prime Factorization of 78709

Prime factors of 78709 are 31, 2539. Prime factorization of 78709 in exponential form is:

78709 = 311 × 25391

Prime Factorization of 78725

Prime factors of 78725 are 5, 47, 67. Prime factorization of 78725 in exponential form is:

78725 = 52 × 471 × 671

Now multiplying the highest exponent prime factors to calculate the LCM of 78709 and 78725.

LCM(78709,78725) = 311 × 25391 × 52 × 471 × 671
LCM(78709,78725) = 6196366025