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What is the Least Common Multiple of 49170 and 49178?

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 49170 and 49178 is 1209041130.

LCM(49170,49178) = 1209041130

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Least Common Multiple of 49170 and 49178 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 49170 and 49178, than apply into the LCM equation.

GCF(49170,49178) = 2
LCM(49170,49178) = ( 49170 × 49178) / 2
LCM(49170,49178) = 2418082260 / 2
LCM(49170,49178) = 1209041130

Least Common Multiple (LCM) of 49170 and 49178 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 49170 and 49178. First we will calculate the prime factors of 49170 and 49178.

Prime Factorization of 49170

Prime factors of 49170 are 2, 3, 5, 11, 149. Prime factorization of 49170 in exponential form is:

49170 = 21 × 31 × 51 × 111 × 1491

Prime Factorization of 49178

Prime factors of 49178 are 2, 67, 367. Prime factorization of 49178 in exponential form is:

49178 = 21 × 671 × 3671

Now multiplying the highest exponent prime factors to calculate the LCM of 49170 and 49178.

LCM(49170,49178) = 21 × 31 × 51 × 111 × 1491 × 671 × 3671
LCM(49170,49178) = 1209041130