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What is the Least Common Multiple of 74943 and 74955?

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 74943 and 74955 is 1872450855.

LCM(74943,74955) = 1872450855

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Least Common Multiple of 74943 and 74955 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74943 and 74955, than apply into the LCM equation.

GCF(74943,74955) = 3
LCM(74943,74955) = ( 74943 × 74955) / 3
LCM(74943,74955) = 5617352565 / 3
LCM(74943,74955) = 1872450855

Least Common Multiple (LCM) of 74943 and 74955 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74943 and 74955. First we will calculate the prime factors of 74943 and 74955.

Prime Factorization of 74943

Prime factors of 74943 are 3, 11, 757. Prime factorization of 74943 in exponential form is:

74943 = 32 × 111 × 7571

Prime Factorization of 74955

Prime factors of 74955 are 3, 5, 19, 263. Prime factorization of 74955 in exponential form is:

74955 = 31 × 51 × 191 × 2631

Now multiplying the highest exponent prime factors to calculate the LCM of 74943 and 74955.

LCM(74943,74955) = 32 × 111 × 7571 × 51 × 191 × 2631
LCM(74943,74955) = 1872450855