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What is the Least Common Multiple of 73660 and 73680?

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 73660 and 73680 is 271363440.

LCM(73660,73680) = 271363440

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Least Common Multiple of 73660 and 73680 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 73660 and 73680, than apply into the LCM equation.

GCF(73660,73680) = 20
LCM(73660,73680) = ( 73660 × 73680) / 20
LCM(73660,73680) = 5427268800 / 20
LCM(73660,73680) = 271363440

Least Common Multiple (LCM) of 73660 and 73680 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 73660 and 73680. First we will calculate the prime factors of 73660 and 73680.

Prime Factorization of 73660

Prime factors of 73660 are 2, 5, 29, 127. Prime factorization of 73660 in exponential form is:

73660 = 22 × 51 × 291 × 1271

Prime Factorization of 73680

Prime factors of 73680 are 2, 3, 5, 307. Prime factorization of 73680 in exponential form is:

73680 = 24 × 31 × 51 × 3071

Now multiplying the highest exponent prime factors to calculate the LCM of 73660 and 73680.

LCM(73660,73680) = 24 × 51 × 291 × 1271 × 31 × 3071
LCM(73660,73680) = 271363440