What is the Least Common Multiple of 688 and 701?
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 688 and 701 is 482288.
LCM(688,701) = 482288
Least Common Multiple of 688 and 701 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 688 and 701, than apply into the LCM equation.
GCF(688,701) = 1
LCM(688,701) = ( 688 × 701) / 1
LCM(688,701) = 482288 / 1
LCM(688,701) = 482288
Least Common Multiple (LCM) of 688 and 701 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 688 and 701. First we will calculate the prime factors of 688 and 701.
Prime Factorization of 688
Prime factors of 688 are 2, 43. Prime factorization of 688 in exponential form is:
688 = 24 × 431
Prime Factorization of 701
Prime factors of 701 are 701. Prime factorization of 701 in exponential form is:
701 = 7011
Now multiplying the highest exponent prime factors to calculate the LCM of 688 and 701.
LCM(688,701) = 24 × 431 × 7011
LCM(688,701) = 482288
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