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What is the Least Common Multiple of 78745 and 78762?

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 78745 and 78762 is 6202113690.

LCM(78745,78762) = 6202113690

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Least Common Multiple of 78745 and 78762 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78745 and 78762, than apply into the LCM equation.

GCF(78745,78762) = 1
LCM(78745,78762) = ( 78745 × 78762) / 1
LCM(78745,78762) = 6202113690 / 1
LCM(78745,78762) = 6202113690

Least Common Multiple (LCM) of 78745 and 78762 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78745 and 78762. First we will calculate the prime factors of 78745 and 78762.

Prime Factorization of 78745

Prime factors of 78745 are 5, 15749. Prime factorization of 78745 in exponential form is:

78745 = 51 × 157491

Prime Factorization of 78762

Prime factors of 78762 are 2, 3, 13127. Prime factorization of 78762 in exponential form is:

78762 = 21 × 31 × 131271

Now multiplying the highest exponent prime factors to calculate the LCM of 78745 and 78762.

LCM(78745,78762) = 51 × 157491 × 21 × 31 × 131271
LCM(78745,78762) = 6202113690