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What is the Least Common Multiple of 85762 and 85772?

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 85762 and 85772 is 3677989132.

LCM(85762,85772) = 3677989132

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Least Common Multiple of 85762 and 85772 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85762 and 85772, than apply into the LCM equation.

GCF(85762,85772) = 2
LCM(85762,85772) = ( 85762 × 85772) / 2
LCM(85762,85772) = 7355978264 / 2
LCM(85762,85772) = 3677989132

Least Common Multiple (LCM) of 85762 and 85772 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85762 and 85772. First we will calculate the prime factors of 85762 and 85772.

Prime Factorization of 85762

Prime factors of 85762 are 2, 137, 313. Prime factorization of 85762 in exponential form is:

85762 = 21 × 1371 × 3131

Prime Factorization of 85772

Prime factors of 85772 are 2, 41, 523. Prime factorization of 85772 in exponential form is:

85772 = 22 × 411 × 5231

Now multiplying the highest exponent prime factors to calculate the LCM of 85762 and 85772.

LCM(85762,85772) = 22 × 1371 × 3131 × 411 × 5231
LCM(85762,85772) = 3677989132