HCF & LCM of Two Numbers by Prime Factorization

Enter the values of a and b (limited to at most 10-digit integers). 輸入正整數a和b(最多十位)。
Mr Downes Maths[br]https://www.rdmath.com/
– Ronan Downes, Alex CHIK

Information: HCF & LCM of Two Numbers by Prime Factorization