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What is the Least Common Multiple of 78485 and 78504?

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 78485 and 78504 is 6161386440.

LCM(78485,78504) = 6161386440

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Least Common Multiple of 78485 and 78504 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78485 and 78504, than apply into the LCM equation.

GCF(78485,78504) = 1
LCM(78485,78504) = ( 78485 × 78504) / 1
LCM(78485,78504) = 6161386440 / 1
LCM(78485,78504) = 6161386440

Least Common Multiple (LCM) of 78485 and 78504 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78485 and 78504. First we will calculate the prime factors of 78485 and 78504.

Prime Factorization of 78485

Prime factors of 78485 are 5, 11, 1427. Prime factorization of 78485 in exponential form is:

78485 = 51 × 111 × 14271

Prime Factorization of 78504

Prime factors of 78504 are 2, 3, 3271. Prime factorization of 78504 in exponential form is:

78504 = 23 × 31 × 32711

Now multiplying the highest exponent prime factors to calculate the LCM of 78485 and 78504.

LCM(78485,78504) = 51 × 111 × 14271 × 23 × 31 × 32711
LCM(78485,78504) = 6161386440