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What is the Least Common Multiple of 87864 and 87884?

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 87864 and 87884 is 1930459944.

LCM(87864,87884) = 1930459944

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Least Common Multiple of 87864 and 87884 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87864 and 87884, than apply into the LCM equation.

GCF(87864,87884) = 4
LCM(87864,87884) = ( 87864 × 87884) / 4
LCM(87864,87884) = 7721839776 / 4
LCM(87864,87884) = 1930459944

Least Common Multiple (LCM) of 87864 and 87884 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87864 and 87884. First we will calculate the prime factors of 87864 and 87884.

Prime Factorization of 87864

Prime factors of 87864 are 2, 3, 7, 523. Prime factorization of 87864 in exponential form is:

87864 = 23 × 31 × 71 × 5231

Prime Factorization of 87884

Prime factors of 87884 are 2, 127, 173. Prime factorization of 87884 in exponential form is:

87884 = 22 × 1271 × 1731

Now multiplying the highest exponent prime factors to calculate the LCM of 87864 and 87884.

LCM(87864,87884) = 23 × 31 × 71 × 5231 × 1271 × 1731
LCM(87864,87884) = 1930459944