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What is the Least Common Multiple of 87186 and 87197?

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 87186 and 87197 is 691123422.

LCM(87186,87197) = 691123422

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Least Common Multiple of 87186 and 87197 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87186 and 87197, than apply into the LCM equation.

GCF(87186,87197) = 11
LCM(87186,87197) = ( 87186 × 87197) / 11
LCM(87186,87197) = 7602357642 / 11
LCM(87186,87197) = 691123422

Least Common Multiple (LCM) of 87186 and 87197 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87186 and 87197. First we will calculate the prime factors of 87186 and 87197.

Prime Factorization of 87186

Prime factors of 87186 are 2, 3, 11, 1321. Prime factorization of 87186 in exponential form is:

87186 = 21 × 31 × 111 × 13211

Prime Factorization of 87197

Prime factors of 87197 are 11, 7927. Prime factorization of 87197 in exponential form is:

87197 = 111 × 79271

Now multiplying the highest exponent prime factors to calculate the LCM of 87186 and 87197.

LCM(87186,87197) = 21 × 31 × 111 × 13211 × 79271
LCM(87186,87197) = 691123422