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What is the Least Common Multiple of 78717 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 78717 and 78725 is 6196995825.

LCM(78717,78725) = 6196995825

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Least Common Multiple of 78717 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 78717 and 78725, than apply into the LCM equation.

GCF(78717,78725) = 1
LCM(78717,78725) = ( 78717 × 78725) / 1
LCM(78717,78725) = 6196995825 / 1
LCM(78717,78725) = 6196995825

Least Common Multiple (LCM) of 78717 and 78725 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78717 and 78725. First we will calculate the prime factors of 78717 and 78725.

Prime Factorization of 78717

Prime factors of 78717 are 3, 19, 1381. Prime factorization of 78717 in exponential form is:

78717 = 31 × 191 × 13811

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 78717 and 78725.

LCM(78717,78725) = 31 × 191 × 13811 × 52 × 471 × 671
LCM(78717,78725) = 6196995825