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What is the Least Common Multiple of 84709 and 84728?

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 84709 and 84728 is 7177224152.

LCM(84709,84728) = 7177224152

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Least Common Multiple of 84709 and 84728 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84709 and 84728, than apply into the LCM equation.

GCF(84709,84728) = 1
LCM(84709,84728) = ( 84709 × 84728) / 1
LCM(84709,84728) = 7177224152 / 1
LCM(84709,84728) = 7177224152

Least Common Multiple (LCM) of 84709 and 84728 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84709 and 84728. First we will calculate the prime factors of 84709 and 84728.

Prime Factorization of 84709

Prime factors of 84709 are 23, 29, 127. Prime factorization of 84709 in exponential form is:

84709 = 231 × 291 × 1271

Prime Factorization of 84728

Prime factors of 84728 are 2, 7, 17, 89. Prime factorization of 84728 in exponential form is:

84728 = 23 × 71 × 171 × 891

Now multiplying the highest exponent prime factors to calculate the LCM of 84709 and 84728.

LCM(84709,84728) = 231 × 291 × 1271 × 23 × 71 × 171 × 891
LCM(84709,84728) = 7177224152