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What is the Least Common Multiple of 83764 and 83780?

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 83764 and 83780 is 1754436980.

LCM(83764,83780) = 1754436980

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Least Common Multiple of 83764 and 83780 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83764 and 83780, than apply into the LCM equation.

GCF(83764,83780) = 4
LCM(83764,83780) = ( 83764 × 83780) / 4
LCM(83764,83780) = 7017747920 / 4
LCM(83764,83780) = 1754436980

Least Common Multiple (LCM) of 83764 and 83780 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83764 and 83780. First we will calculate the prime factors of 83764 and 83780.

Prime Factorization of 83764

Prime factors of 83764 are 2, 43, 487. Prime factorization of 83764 in exponential form is:

83764 = 22 × 431 × 4871

Prime Factorization of 83780

Prime factors of 83780 are 2, 5, 59, 71. Prime factorization of 83780 in exponential form is:

83780 = 22 × 51 × 591 × 711

Now multiplying the highest exponent prime factors to calculate the LCM of 83764 and 83780.

LCM(83764,83780) = 22 × 431 × 4871 × 51 × 591 × 711
LCM(83764,83780) = 1754436980