Find HCF of 18 and 30 by prime factorization method. please tell fast :)
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Answer:
3
Step-by-step explanation:
18 = 2× 9 = 2× 3 ×3
30 = 2×15 = 2× 5×3
3 is HCF of 18 and 30 because it's the highest common multiple of 18 & 30
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