HCF and LCM of the no 28,49,70 by short division method?
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HCF : highest common factor
LCM : lowest common multiple
factor of 28 : 1,2,4,7,14,28
factor of 49 : 1,7,49
factor of 70 : 1,2,5,7,10,14,35,70
common factor : 7
HCF : 7
multiple of 28 : 28,56,84,112,140,168,196,224,252,280.
multiple of 49 : 49,98,147,196,245,294,343,392,441,490.
multiple of 70 : 70,140,210,280,350,420,490,560,630,700
common multiple : 2².7².5²
LCM : 2².7².5² = 4900
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