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What is the Least Common Multiple of 74121 and 74126?

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 74121 and 74126 is 5494293246.

LCM(74121,74126) = 5494293246

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Least Common Multiple of 74121 and 74126 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74121 and 74126, than apply into the LCM equation.

GCF(74121,74126) = 1
LCM(74121,74126) = ( 74121 × 74126) / 1
LCM(74121,74126) = 5494293246 / 1
LCM(74121,74126) = 5494293246

Least Common Multiple (LCM) of 74121 and 74126 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74121 and 74126. First we will calculate the prime factors of 74121 and 74126.

Prime Factorization of 74121

Prime factors of 74121 are 3, 31, 797. Prime factorization of 74121 in exponential form is:

74121 = 31 × 311 × 7971

Prime Factorization of 74126

Prime factors of 74126 are 2, 13, 2851. Prime factorization of 74126 in exponential form is:

74126 = 21 × 131 × 28511

Now multiplying the highest exponent prime factors to calculate the LCM of 74121 and 74126.

LCM(74121,74126) = 31 × 311 × 7971 × 21 × 131 × 28511
LCM(74121,74126) = 5494293246