Question

what is the hcf of 420 and 130

Answer 1

Hi ,

Write the given numbers into

product of prime numbers

420 = 2 × 2 × 3 × 5 × 7

= 2² × 3 × 5 × 7

130 = 2 × 5 × 13

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HCF of the numbers = product of the

smallest

power of each common prime

factors of the numbers .

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HCF ( 420 , 130 ) = 2 × 5

HCF = 10

I hope this helps you.

: )

Answer 2

Heya !!!



Prime factorisation of 420 = 2 × 2 × 3 × 5 × 7



Prime factorisation of 130 = 2 × 5 × 13


HCF of 420 and 130 = 2 × 5 = 10




HOPE IT WILL HELP YOU....... :-)