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What is the Least Common Multiple of 47770 and 47781?

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 47770 and 47781 is 2282498370.

LCM(47770,47781) = 2282498370

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Least Common Multiple of 47770 and 47781 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47770 and 47781, than apply into the LCM equation.

GCF(47770,47781) = 1
LCM(47770,47781) = ( 47770 × 47781) / 1
LCM(47770,47781) = 2282498370 / 1
LCM(47770,47781) = 2282498370

Least Common Multiple (LCM) of 47770 and 47781 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47770 and 47781. First we will calculate the prime factors of 47770 and 47781.

Prime Factorization of 47770

Prime factors of 47770 are 2, 5, 17, 281. Prime factorization of 47770 in exponential form is:

47770 = 21 × 51 × 171 × 2811

Prime Factorization of 47781

Prime factors of 47781 are 3, 5309. Prime factorization of 47781 in exponential form is:

47781 = 32 × 53091

Now multiplying the highest exponent prime factors to calculate the LCM of 47770 and 47781.

LCM(47770,47781) = 21 × 51 × 171 × 2811 × 32 × 53091
LCM(47770,47781) = 2282498370