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What is the Least Common Multiple of 84870 and 84887?

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 84870 and 84887 is 7204359690.

LCM(84870,84887) = 7204359690

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Least Common Multiple of 84870 and 84887 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84870 and 84887, than apply into the LCM equation.

GCF(84870,84887) = 1
LCM(84870,84887) = ( 84870 × 84887) / 1
LCM(84870,84887) = 7204359690 / 1
LCM(84870,84887) = 7204359690

Least Common Multiple (LCM) of 84870 and 84887 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84870 and 84887. First we will calculate the prime factors of 84870 and 84887.

Prime Factorization of 84870

Prime factors of 84870 are 2, 3, 5, 23, 41. Prime factorization of 84870 in exponential form is:

84870 = 21 × 32 × 51 × 231 × 411

Prime Factorization of 84887

Prime factors of 84887 are 11, 7717. Prime factorization of 84887 in exponential form is:

84887 = 111 × 77171

Now multiplying the highest exponent prime factors to calculate the LCM of 84870 and 84887.

LCM(84870,84887) = 21 × 32 × 51 × 231 × 411 × 111 × 77171
LCM(84870,84887) = 7204359690