A prime factorization
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1, 2, 5, 10, 25, 50, 125, 250 2 and 5 are prime.
Prime factorization refers to whole numbers, not fractions. 100/50 = 2, which is already prime and therefore has no prime factorization other than itself.
4, 9, 25 and 49 They are squares of prime numbers.
prime numbers can only be multiples of 1 and itself. perhaps 3 is just the number you want.
To work this out, you first have to break the two numbers into their prime factors: 50 = 2x5x5 54 = 2x3x3 The next step is to identify any common prime factors. In this case both numbers have a 2 as a prime factor. Therefore the GCF of 50 and 54 is 2.