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What is the Least Common Multiple of 78738 and 78754?

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 78738 and 78754 is 3100466226.

LCM(78738,78754) = 3100466226

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Least Common Multiple of 78738 and 78754 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78738 and 78754, than apply into the LCM equation.

GCF(78738,78754) = 2
LCM(78738,78754) = ( 78738 × 78754) / 2
LCM(78738,78754) = 6200932452 / 2
LCM(78738,78754) = 3100466226

Least Common Multiple (LCM) of 78738 and 78754 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78738 and 78754. First we will calculate the prime factors of 78738 and 78754.

Prime Factorization of 78738

Prime factors of 78738 are 2, 3, 11, 1193. Prime factorization of 78738 in exponential form is:

78738 = 21 × 31 × 111 × 11931

Prime Factorization of 78754

Prime factors of 78754 are 2, 13, 233. Prime factorization of 78754 in exponential form is:

78754 = 21 × 132 × 2331

Now multiplying the highest exponent prime factors to calculate the LCM of 78738 and 78754.

LCM(78738,78754) = 21 × 31 × 111 × 11931 × 132 × 2331
LCM(78738,78754) = 3100466226