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Answered

greatest common factor of 42,126,210

Sagot :

Prime factorization...
42 =         2 × 3 × 7
126 =       2 × 3 × 7 × 3
210 =       2 × 3 × 7      × 5 × 2

2 × 3 × 7 = 42

Therefore, their GCF is 42.