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What is the Least Common Multiple of 84371 and 84390?

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 84371 and 84390 is 7120068690.

LCM(84371,84390) = 7120068690

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Least Common Multiple of 84371 and 84390 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84371 and 84390, than apply into the LCM equation.

GCF(84371,84390) = 1
LCM(84371,84390) = ( 84371 × 84390) / 1
LCM(84371,84390) = 7120068690 / 1
LCM(84371,84390) = 7120068690

Least Common Multiple (LCM) of 84371 and 84390 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84371 and 84390. First we will calculate the prime factors of 84371 and 84390.

Prime Factorization of 84371

Prime factors of 84371 are 7, 17, 709. Prime factorization of 84371 in exponential form is:

84371 = 71 × 171 × 7091

Prime Factorization of 84390

Prime factors of 84390 are 2, 3, 5, 29, 97. Prime factorization of 84390 in exponential form is:

84390 = 21 × 31 × 51 × 291 × 971

Now multiplying the highest exponent prime factors to calculate the LCM of 84371 and 84390.

LCM(84371,84390) = 71 × 171 × 7091 × 21 × 31 × 51 × 291 × 971
LCM(84371,84390) = 7120068690