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What is the Least Common Multiple of 74261 and 74271?

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 74261 and 74271 is 5515438731.

LCM(74261,74271) = 5515438731

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Least Common Multiple of 74261 and 74271 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74261 and 74271, than apply into the LCM equation.

GCF(74261,74271) = 1
LCM(74261,74271) = ( 74261 × 74271) / 1
LCM(74261,74271) = 5515438731 / 1
LCM(74261,74271) = 5515438731

Least Common Multiple (LCM) of 74261 and 74271 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74261 and 74271. First we will calculate the prime factors of 74261 and 74271.

Prime Factorization of 74261

Prime factors of 74261 are 11, 43, 157. Prime factorization of 74261 in exponential form is:

74261 = 111 × 431 × 1571

Prime Factorization of 74271

Prime factors of 74271 are 3, 19, 1303. Prime factorization of 74271 in exponential form is:

74271 = 31 × 191 × 13031

Now multiplying the highest exponent prime factors to calculate the LCM of 74261 and 74271.

LCM(74261,74271) = 111 × 431 × 1571 × 31 × 191 × 13031
LCM(74261,74271) = 5515438731