Find the HCF 3 , 15 , 75 , 375 , 1875

Math
3 , 15 , 75 , 375 , 1875
Find the common factors for the numerical part:
3,15,75,375,1875
The factors for 3 are 1,3.
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The factors for 3 are all numbers between 1 and 3, which divide 3 evenly.
Check numbers between 1 and 3
Find the factor pairs of 3 where x⋅y=3.
xy13
List the factors for 3.
1,3
1,3
The factors for 15 are 1,3,5,15.
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The factors for 15 are all numbers between 1 and 15, which divide 15 evenly.
Check numbers between 1 and 15
Find the factor pairs of 15 where x⋅y=15.
xy11535
List the factors for 15.
1,3,5,15
1,3,5,15
The factors for 75 are 1,3,5,15,25,75.
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The factors for 75 are all numbers between 1 and 75, which divide 75 evenly.
Check numbers between 1 and 75
Find the factor pairs of 75 where x⋅y=75.
xy175325515
List the factors for 75.
1,3,5,15,25,75
1,3,5,15,25,75
The factors for 375 are 1,3,5,15,25,75,125,375.
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The factors for 375 are all numbers between 1 and 375, which divide 375 evenly.
Check numbers between 1 and 375
Find the factor pairs of 375 where x⋅y=375.
xy137531255751525
List the factors for 375.
1,3,5,15,25,75,125,375
1,3,5,15,25,75,125,375
The factors for 1875 are 1,3,5,15,25,75,125,375,625,1875.
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The factors for 1875 are all numbers between 1 and 1875, which divide 1875 evenly.
Check numbers between 1 and 1875
Find the factor pairs of 1875 where x⋅y=1875.
xy1187536255375151252575
List the factors for 1875.
1,3,5,15,25,75,125,375,625,1875
1,3,5,15,25,75,125,375,625,1875
List all the factors for 3,15,75,375,1875 to find the common factors.
3: 1,3
15: 1,3,5,15
75: 1,3,5,15,25,75
375: 1,3,5,15,25,75,125,375
1875: 1,3,5,15,25,75,125,375,625,1875
The common factors for 3,15,75,375,1875 are 1,3.
1,3
The GCF (HCF) of the numerical factors 1,3 is 3.
3
Find the HCF 3 , 15 , 75 , 375 , 1875

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