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What is the Least Common Multiple of 84945 and 84962?

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 84962 is 7217097090.

LCM(84945,84962) = 7217097090

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Least Common Multiple of 84945 and 84962 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 84962, than apply into the LCM equation.

GCF(84945,84962) = 1
LCM(84945,84962) = ( 84945 × 84962) / 1
LCM(84945,84962) = 7217097090 / 1
LCM(84945,84962) = 7217097090

Least Common Multiple (LCM) of 84945 and 84962 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84945 and 84962. First we will calculate the prime factors of 84945 and 84962.

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 84962

Prime factors of 84962 are 2, 23, 1847. Prime factorization of 84962 in exponential form is:

84962 = 21 × 231 × 18471

Now multiplying the highest exponent prime factors to calculate the LCM of 84945 and 84962.

LCM(84945,84962) = 31 × 51 × 71 × 8091 × 21 × 231 × 18471
LCM(84945,84962) = 7217097090