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What is the Least Common Multiple of 85974 and 85979?

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 85974 and 85979 is 7391958546.

LCM(85974,85979) = 7391958546

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Least Common Multiple of 85974 and 85979 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85974 and 85979, than apply into the LCM equation.

GCF(85974,85979) = 1
LCM(85974,85979) = ( 85974 × 85979) / 1
LCM(85974,85979) = 7391958546 / 1
LCM(85974,85979) = 7391958546

Least Common Multiple (LCM) of 85974 and 85979 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85974 and 85979. First we will calculate the prime factors of 85974 and 85979.

Prime Factorization of 85974

Prime factors of 85974 are 2, 3, 7, 23, 89. Prime factorization of 85974 in exponential form is:

85974 = 21 × 31 × 71 × 231 × 891

Prime Factorization of 85979

Prime factors of 85979 are 127, 677. Prime factorization of 85979 in exponential form is:

85979 = 1271 × 6771

Now multiplying the highest exponent prime factors to calculate the LCM of 85974 and 85979.

LCM(85974,85979) = 21 × 31 × 71 × 231 × 891 × 1271 × 6771
LCM(85974,85979) = 7391958546