Question

620
find the HCF of factorisation method​

Answer 1

Answer:

, hcf, gcd (620; 840) = 20 = 2^2 × 5: greatest (highest) common factor (divisor), calculated. The numbers have common prime factors

Step-by-step explanation:

this is your answer I hope it helps you

Answer 2

Answer:

2×2×5×31

Step-by-step explanation:

Actually, for finding HCF, we need 2 numbers.

So just factorised 620