fine gcd and lcm of 49,42,91
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GCD =7
LCM =3822
Factors of each:
49 = 7×7
42 = 2×3×7
91 = 7×13
Factors common to each is 7.
Therefore,GCD = 7
Factors with their maximum frequency:
7 is two times in 49.
2 is one time in 42.
3 is one time in 42.
13 is one time in 91.
LCM = 7×7×2×3×13 = 3822.
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