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What is the Least Common Multiple of 67520 and 67534?

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 67520 and 67534 is 2279947840.

LCM(67520,67534) = 2279947840

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Least Common Multiple of 67520 and 67534 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67520 and 67534, than apply into the LCM equation.

GCF(67520,67534) = 2
LCM(67520,67534) = ( 67520 × 67534) / 2
LCM(67520,67534) = 4559895680 / 2
LCM(67520,67534) = 2279947840

Least Common Multiple (LCM) of 67520 and 67534 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67520 and 67534. First we will calculate the prime factors of 67520 and 67534.

Prime Factorization of 67520

Prime factors of 67520 are 2, 5, 211. Prime factorization of 67520 in exponential form is:

67520 = 26 × 51 × 2111

Prime Factorization of 67534

Prime factors of 67534 are 2, 33767. Prime factorization of 67534 in exponential form is:

67534 = 21 × 337671

Now multiplying the highest exponent prime factors to calculate the LCM of 67520 and 67534.

LCM(67520,67534) = 26 × 51 × 2111 × 337671
LCM(67520,67534) = 2279947840