Find the lcm & hcf of 306 & 657 by prime fracorisation method
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306= 3×3×2×17
657= 3×3×73
HCF= 3×3=9
LCM= (306×657) ÷ 9
= 34×657
= 22338
657= 3×3×73
HCF= 3×3=9
LCM= (306×657) ÷ 9
= 34×657
= 22338
Answered by
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the hcf is 9 as the prime factor of 306 = 3x3x2x17
and the prime factor for 657 is 3x3x73 so the common number are the 2 3's so you multiply them giving you 9
the lcm is 22338
and the prime factor for 657 is 3x3x73 so the common number are the 2 3's so you multiply them giving you 9
the lcm is 22338
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