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What is the Least Common Multiple of 676 and 692?

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 676 and 692 is 116948.

LCM(676,692) = 116948

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Least Common Multiple of 676 and 692 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 676 and 692, than apply into the LCM equation.

GCF(676,692) = 4
LCM(676,692) = ( 676 × 692) / 4
LCM(676,692) = 467792 / 4
LCM(676,692) = 116948

Least Common Multiple (LCM) of 676 and 692 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 676 and 692. First we will calculate the prime factors of 676 and 692.

Prime Factorization of 676

Prime factors of 676 are 2, 13. Prime factorization of 676 in exponential form is:

676 = 22 × 132

Prime Factorization of 692

Prime factors of 692 are 2, 173. Prime factorization of 692 in exponential form is:

692 = 22 × 1731

Now multiplying the highest exponent prime factors to calculate the LCM of 676 and 692.

LCM(676,692) = 22 × 132 × 1731
LCM(676,692) = 116948