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What is the Least Common Multiple of 89236 and 89240?

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 89236 and 89240 is 1990855160.

LCM(89236,89240) = 1990855160

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Least Common Multiple of 89236 and 89240 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 89236 and 89240, than apply into the LCM equation.

GCF(89236,89240) = 4
LCM(89236,89240) = ( 89236 × 89240) / 4
LCM(89236,89240) = 7963420640 / 4
LCM(89236,89240) = 1990855160

Least Common Multiple (LCM) of 89236 and 89240 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 89236 and 89240. First we will calculate the prime factors of 89236 and 89240.

Prime Factorization of 89236

Prime factors of 89236 are 2, 7, 3187. Prime factorization of 89236 in exponential form is:

89236 = 22 × 71 × 31871

Prime Factorization of 89240

Prime factors of 89240 are 2, 5, 23, 97. Prime factorization of 89240 in exponential form is:

89240 = 23 × 51 × 231 × 971

Now multiplying the highest exponent prime factors to calculate the LCM of 89236 and 89240.

LCM(89236,89240) = 23 × 71 × 31871 × 51 × 231 × 971
LCM(89236,89240) = 1990855160