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What is the HCF of 32 and 98?
To work this out, you have to split the numbers into their prime factors: 32 = 2x2x2x2x2 98 = 2x7x7 The next step is to spot any common prime factors. In this case both numbers have a 2 as a prime factors. Thus the HCF of 32 and 98 is 2.
What is the GCF of 32 40 and 64?
To find the GCF of 3 numbers you first need to write them as their prime factors: 32 = 2x2x2x2x2 40 = 2x2x2x5 64 = 2x2x2x2x2x2 The next step is to identify any common factors. In this case, all three numbers have three 2s as prime factors. Multiply these together to find the GCF: 2x2x2 = 8 Thus the GCF of 32, 40 and 64 is 8.
What is 225 as product of prime factors?
32*52 = 225
How is 252 the least common multiple of 18 and 28?
Prime factors of 18 are 2, 3 and 3 or as 2 and 32 Prime factors of 28 are 2, 2 and 7 or as 22 and 7 Least common multiple = 22*32*7 = 252
How do you find the prime factorization of 72?
72 = 23 x 32
