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What is the Least Common Multiple of 71242 and 71261?

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 71242 and 71261 is 5076776162.

LCM(71242,71261) = 5076776162

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Least Common Multiple of 71242 and 71261 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71242 and 71261, than apply into the LCM equation.

GCF(71242,71261) = 1
LCM(71242,71261) = ( 71242 × 71261) / 1
LCM(71242,71261) = 5076776162 / 1
LCM(71242,71261) = 5076776162

Least Common Multiple (LCM) of 71242 and 71261 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71242 and 71261. First we will calculate the prime factors of 71242 and 71261.

Prime Factorization of 71242

Prime factors of 71242 are 2, 179, 199. Prime factorization of 71242 in exponential form is:

71242 = 21 × 1791 × 1991

Prime Factorization of 71261

Prime factors of 71261 are 71261. Prime factorization of 71261 in exponential form is:

71261 = 712611

Now multiplying the highest exponent prime factors to calculate the LCM of 71242 and 71261.

LCM(71242,71261) = 21 × 1791 × 1991 × 712611
LCM(71242,71261) = 5076776162