Question

Hcf by prime factorisation mathod 520 and 1420

Answer 1

Answer:

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Answer 2

Answer:

20

Step-by-step explanation:

1420÷2=710÷2=355÷5=71÷71=1 so now 520 turn 520÷2=260÷2=130÷2=65÷5=13÷13=1 so now 520 = 2x2x2x5x13 1420= 2x2x5x71 now we who is same = 2x2x5 = 20 hope my answer will be helpful for you