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What is the Least Common Multiple of 78749 and 78769?

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 78749 and 78769 is 6202979981.

LCM(78749,78769) = 6202979981

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Least Common Multiple of 78749 and 78769 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78749 and 78769, than apply into the LCM equation.

GCF(78749,78769) = 1
LCM(78749,78769) = ( 78749 × 78769) / 1
LCM(78749,78769) = 6202979981 / 1
LCM(78749,78769) = 6202979981

Least Common Multiple (LCM) of 78749 and 78769 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78749 and 78769. First we will calculate the prime factors of 78749 and 78769.

Prime Factorization of 78749

Prime factors of 78749 are 11, 7159. Prime factorization of 78749 in exponential form is:

78749 = 111 × 71591

Prime Factorization of 78769

Prime factors of 78769 are 227, 347. Prime factorization of 78769 in exponential form is:

78769 = 2271 × 3471

Now multiplying the highest exponent prime factors to calculate the LCM of 78749 and 78769.

LCM(78749,78769) = 111 × 71591 × 2271 × 3471
LCM(78749,78769) = 6202979981