Question

1.Find HCF of 24,60 and 140 using prime factorization method.
2.Check the divisibility of the number 92,643 by 2,3,4, and 6.​

Answer 1

1.HCF OF 24,60,140 IS 840

2)24,60,140

2)12,30,70

3)6,15,35

5)2,5,35

)2,1,7

ans-840

2.92-is divisible by 2,4

643 is not divisible by 2,3,4,6

Answer 2

Answer:

1. 840

2. 2-no, 3-yes,4-no,6-no

Step-by-step explanation:

1.do prime factorization then:

2*2*2*3*5*7 = 840

2. 2= last number is not even. therefore no.

   3= add all digits = 9+2+6+4+3=24 (3*8=24), therefore yes.

   4= last 2 digits 43 not divisible by 4. therefore no.

    6= not divisible by both 2 and 3 , therefore no

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