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What is the Least Common Multiple of 2942 and 2951?

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 2942 and 2951 is 8681842.

LCM(2942,2951) = 8681842

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Least Common Multiple of 2942 and 2951 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2942 and 2951, than apply into the LCM equation.

GCF(2942,2951) = 1
LCM(2942,2951) = ( 2942 × 2951) / 1
LCM(2942,2951) = 8681842 / 1
LCM(2942,2951) = 8681842

Least Common Multiple (LCM) of 2942 and 2951 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2942 and 2951. First we will calculate the prime factors of 2942 and 2951.

Prime Factorization of 2942

Prime factors of 2942 are 2, 1471. Prime factorization of 2942 in exponential form is:

2942 = 21 × 14711

Prime Factorization of 2951

Prime factors of 2951 are 13, 227. Prime factorization of 2951 in exponential form is:

2951 = 131 × 2271

Now multiplying the highest exponent prime factors to calculate the LCM of 2942 and 2951.

LCM(2942,2951) = 21 × 14711 × 131 × 2271
LCM(2942,2951) = 8681842