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What is the Least Common Multiple of 78742 and 78751?

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 78742 and 78751 is 6201011242.

LCM(78742,78751) = 6201011242

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Least Common Multiple of 78742 and 78751 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78742 and 78751, than apply into the LCM equation.

GCF(78742,78751) = 1
LCM(78742,78751) = ( 78742 × 78751) / 1
LCM(78742,78751) = 6201011242 / 1
LCM(78742,78751) = 6201011242

Least Common Multiple (LCM) of 78742 and 78751 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78742 and 78751. First we will calculate the prime factors of 78742 and 78751.

Prime Factorization of 78742

Prime factors of 78742 are 2, 39371. Prime factorization of 78742 in exponential form is:

78742 = 21 × 393711

Prime Factorization of 78751

Prime factors of 78751 are 61, 1291. Prime factorization of 78751 in exponential form is:

78751 = 611 × 12911

Now multiplying the highest exponent prime factors to calculate the LCM of 78742 and 78751.

LCM(78742,78751) = 21 × 393711 × 611 × 12911
LCM(78742,78751) = 6201011242