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What is the Least Common Multiple of 77190 and 77197?

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 77190 and 77197 is 5958836430.

LCM(77190,77197) = 5958836430

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Least Common Multiple of 77190 and 77197 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77190 and 77197, than apply into the LCM equation.

GCF(77190,77197) = 1
LCM(77190,77197) = ( 77190 × 77197) / 1
LCM(77190,77197) = 5958836430 / 1
LCM(77190,77197) = 5958836430

Least Common Multiple (LCM) of 77190 and 77197 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77190 and 77197. First we will calculate the prime factors of 77190 and 77197.

Prime Factorization of 77190

Prime factors of 77190 are 2, 3, 5, 31, 83. Prime factorization of 77190 in exponential form is:

77190 = 21 × 31 × 51 × 311 × 831

Prime Factorization of 77197

Prime factors of 77197 are 17, 19, 239. Prime factorization of 77197 in exponential form is:

77197 = 171 × 191 × 2391

Now multiplying the highest exponent prime factors to calculate the LCM of 77190 and 77197.

LCM(77190,77197) = 21 × 31 × 51 × 311 × 831 × 171 × 191 × 2391
LCM(77190,77197) = 5958836430