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What is the Least Common Multiple of 79758 and 79778?

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 79758 and 79778 is 3181466862.

LCM(79758,79778) = 3181466862

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Least Common Multiple of 79758 and 79778 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79758 and 79778, than apply into the LCM equation.

GCF(79758,79778) = 2
LCM(79758,79778) = ( 79758 × 79778) / 2
LCM(79758,79778) = 6362933724 / 2
LCM(79758,79778) = 3181466862

Least Common Multiple (LCM) of 79758 and 79778 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79758 and 79778. First we will calculate the prime factors of 79758 and 79778.

Prime Factorization of 79758

Prime factors of 79758 are 2, 3, 7, 211. Prime factorization of 79758 in exponential form is:

79758 = 21 × 33 × 71 × 2111

Prime Factorization of 79778

Prime factors of 79778 are 2, 113, 353. Prime factorization of 79778 in exponential form is:

79778 = 21 × 1131 × 3531

Now multiplying the highest exponent prime factors to calculate the LCM of 79758 and 79778.

LCM(79758,79778) = 21 × 33 × 71 × 2111 × 1131 × 3531
LCM(79758,79778) = 3181466862