1, 2, 5, 7, 10, 14, 35, 70
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Use a factor tree. 70 Divide by two. 35,2 Divide by five. 7,5,2 Stop. All the factors are prime. 2 x 5 x 7 = 70
Three:The Prime Factors of 70 are 2, 5, 7.
As a product of its prime factors: 2*5*7 = 70 Note that at least two or more numbers are needed to find their HCF
To find three numbers that multiply to 70, we can start by factoring 70 into its prime factors: 70 = 2 x 5 x 7. Therefore, the three numbers that multiply to 70 are 2, 5, and 7.
1,5,7,35Since 35 is a factor of 70, all of its factors are common.