Question

840, 1680, 210 find hcf​

Answer 1

Answer:

Step-by-step explanation:

PRIME factorisation of 840

840 = 2 × 2 × 2 × 3 × 5 × 7

PRIME factorisation of 1540

1540 = 2 × 2 × 5 × 7 × 11

PRIME factorisation of 1680

1680=2*2*2*2*3*5*7

To find the HCF, multiply all the prime factors common to both numbers:

Therefore, HCF=2*2*5*7=140

Answer 2

Answer:

here is your answer

Step-by-step explanation:

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