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What is the Least Common Multiple of 85456 and 85471?

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 85456 and 85471 is 7304009776.

LCM(85456,85471) = 7304009776

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Least Common Multiple of 85456 and 85471 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85456 and 85471, than apply into the LCM equation.

GCF(85456,85471) = 1
LCM(85456,85471) = ( 85456 × 85471) / 1
LCM(85456,85471) = 7304009776 / 1
LCM(85456,85471) = 7304009776

Least Common Multiple (LCM) of 85456 and 85471 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85456 and 85471. First we will calculate the prime factors of 85456 and 85471.

Prime Factorization of 85456

Prime factors of 85456 are 2, 7, 109. Prime factorization of 85456 in exponential form is:

85456 = 24 × 72 × 1091

Prime Factorization of 85471

Prime factors of 85471 are 127, 673. Prime factorization of 85471 in exponential form is:

85471 = 1271 × 6731

Now multiplying the highest exponent prime factors to calculate the LCM of 85456 and 85471.

LCM(85456,85471) = 24 × 72 × 1091 × 1271 × 6731
LCM(85456,85471) = 7304009776