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What is the Least Common Multiple of 78752 and 78761?

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 78752 and 78761 is 6202586272.

LCM(78752,78761) = 6202586272

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Least Common Multiple of 78752 and 78761 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78752 and 78761, than apply into the LCM equation.

GCF(78752,78761) = 1
LCM(78752,78761) = ( 78752 × 78761) / 1
LCM(78752,78761) = 6202586272 / 1
LCM(78752,78761) = 6202586272

Least Common Multiple (LCM) of 78752 and 78761 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78752 and 78761. First we will calculate the prime factors of 78752 and 78761.

Prime Factorization of 78752

Prime factors of 78752 are 2, 23, 107. Prime factorization of 78752 in exponential form is:

78752 = 25 × 231 × 1071

Prime Factorization of 78761

Prime factors of 78761 are 17, 41, 113. Prime factorization of 78761 in exponential form is:

78761 = 171 × 411 × 1131

Now multiplying the highest exponent prime factors to calculate the LCM of 78752 and 78761.

LCM(78752,78761) = 25 × 231 × 1071 × 171 × 411 × 1131
LCM(78752,78761) = 6202586272