What is the Least Common Multiple of 700 and 712?
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 700 and 712 is 124600.
LCM(700,712) = 124600
Least Common Multiple of 700 and 712 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 700 and 712, than apply into the LCM equation.
GCF(700,712) = 4
LCM(700,712) = ( 700 × 712) / 4
LCM(700,712) = 498400 / 4
LCM(700,712) = 124600
Least Common Multiple (LCM) of 700 and 712 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 700 and 712. First we will calculate the prime factors of 700 and 712.
Prime Factorization of 700
Prime factors of 700 are 2, 5, 7. Prime factorization of 700 in exponential form is:
700 = 22 × 52 × 71
Prime Factorization of 712
Prime factors of 712 are 2, 89. Prime factorization of 712 in exponential form is:
712 = 23 × 891
Now multiplying the highest exponent prime factors to calculate the LCM of 700 and 712.
LCM(700,712) = 23 × 52 × 71 × 891
LCM(700,712) = 124600
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