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What is the Least Common Multiple of 91320 and 91325?

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 91320 and 91325 is 1667959800.

LCM(91320,91325) = 1667959800

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Least Common Multiple of 91320 and 91325 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91320 and 91325, than apply into the LCM equation.

GCF(91320,91325) = 5
LCM(91320,91325) = ( 91320 × 91325) / 5
LCM(91320,91325) = 8339799000 / 5
LCM(91320,91325) = 1667959800

Least Common Multiple (LCM) of 91320 and 91325 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91320 and 91325. First we will calculate the prime factors of 91320 and 91325.

Prime Factorization of 91320

Prime factors of 91320 are 2, 3, 5, 761. Prime factorization of 91320 in exponential form is:

91320 = 23 × 31 × 51 × 7611

Prime Factorization of 91325

Prime factors of 91325 are 5, 13, 281. Prime factorization of 91325 in exponential form is:

91325 = 52 × 131 × 2811

Now multiplying the highest exponent prime factors to calculate the LCM of 91320 and 91325.

LCM(91320,91325) = 23 × 31 × 52 × 7611 × 131 × 2811
LCM(91320,91325) = 1667959800