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What is the Least Common Multiple of 79831 and 79840?

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 79831 and 79840 is 6373707040.

LCM(79831,79840) = 6373707040

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Least Common Multiple of 79831 and 79840 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79831 and 79840, than apply into the LCM equation.

GCF(79831,79840) = 1
LCM(79831,79840) = ( 79831 × 79840) / 1
LCM(79831,79840) = 6373707040 / 1
LCM(79831,79840) = 6373707040

Least Common Multiple (LCM) of 79831 and 79840 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79831 and 79840. First we will calculate the prime factors of 79831 and 79840.

Prime Factorization of 79831

Prime factors of 79831 are 97, 823. Prime factorization of 79831 in exponential form is:

79831 = 971 × 8231

Prime Factorization of 79840

Prime factors of 79840 are 2, 5, 499. Prime factorization of 79840 in exponential form is:

79840 = 25 × 51 × 4991

Now multiplying the highest exponent prime factors to calculate the LCM of 79831 and 79840.

LCM(79831,79840) = 971 × 8231 × 25 × 51 × 4991
LCM(79831,79840) = 6373707040