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What is the Least Common Multiple of 91700 and 91708?

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 91700 and 91708 is 2102405900.

LCM(91700,91708) = 2102405900

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Least Common Multiple of 91700 and 91708 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91700 and 91708, than apply into the LCM equation.

GCF(91700,91708) = 4
LCM(91700,91708) = ( 91700 × 91708) / 4
LCM(91700,91708) = 8409623600 / 4
LCM(91700,91708) = 2102405900

Least Common Multiple (LCM) of 91700 and 91708 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91700 and 91708. First we will calculate the prime factors of 91700 and 91708.

Prime Factorization of 91700

Prime factors of 91700 are 2, 5, 7, 131. Prime factorization of 91700 in exponential form is:

91700 = 22 × 52 × 71 × 1311

Prime Factorization of 91708

Prime factors of 91708 are 2, 101, 227. Prime factorization of 91708 in exponential form is:

91708 = 22 × 1011 × 2271

Now multiplying the highest exponent prime factors to calculate the LCM of 91700 and 91708.

LCM(91700,91708) = 22 × 52 × 71 × 1311 × 1011 × 2271
LCM(91700,91708) = 2102405900