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What is the Least Common Multiple of 87644 and 87648?

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 87644 and 87648 is 1920455328.

LCM(87644,87648) = 1920455328

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Least Common Multiple of 87644 and 87648 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87644 and 87648, than apply into the LCM equation.

GCF(87644,87648) = 4
LCM(87644,87648) = ( 87644 × 87648) / 4
LCM(87644,87648) = 7681821312 / 4
LCM(87644,87648) = 1920455328

Least Common Multiple (LCM) of 87644 and 87648 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87644 and 87648. First we will calculate the prime factors of 87644 and 87648.

Prime Factorization of 87644

Prime factors of 87644 are 2, 21911. Prime factorization of 87644 in exponential form is:

87644 = 22 × 219111

Prime Factorization of 87648

Prime factors of 87648 are 2, 3, 11, 83. Prime factorization of 87648 in exponential form is:

87648 = 25 × 31 × 111 × 831

Now multiplying the highest exponent prime factors to calculate the LCM of 87644 and 87648.

LCM(87644,87648) = 25 × 219111 × 31 × 111 × 831
LCM(87644,87648) = 1920455328