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What is the Least Common Multiple of 84945 and 84951?

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 84945 and 84951 is 2405387565.

LCM(84945,84951) = 2405387565

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Least Common Multiple of 84945 and 84951 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84945 and 84951, than apply into the LCM equation.

GCF(84945,84951) = 3
LCM(84945,84951) = ( 84945 × 84951) / 3
LCM(84945,84951) = 7216162695 / 3
LCM(84945,84951) = 2405387565

Least Common Multiple (LCM) of 84945 and 84951 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84945 and 84951. First we will calculate the prime factors of 84945 and 84951.

Prime Factorization of 84945

Prime factors of 84945 are 3, 5, 7, 809. Prime factorization of 84945 in exponential form is:

84945 = 31 × 51 × 71 × 8091

Prime Factorization of 84951

Prime factors of 84951 are 3, 9439. Prime factorization of 84951 in exponential form is:

84951 = 32 × 94391

Now multiplying the highest exponent prime factors to calculate the LCM of 84945 and 84951.

LCM(84945,84951) = 32 × 51 × 71 × 8091 × 94391
LCM(84945,84951) = 2405387565