Three (3) is a common factor of 21 and 22.
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There is no common factor for those two numbers The factors of 22 are 2 and 11 The factors of 25 are 5 and 5
Since there are no common prime factors, the GCF of 22 and 147 is 1.
The highest common factor (HCF) of 22 and 58 is the largest positive integer that divides both numbers without leaving a remainder. To find the HCF, you can use methods like prime factorization or the Euclidean algorithm. In this case, the prime factorization of 22 is 2 x 11 and the prime factorization of 58 is 2 x 29. The common factor between them is 2, so the HCF of 22 and 58 is 2.
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We see that the common factors are and . The greatest of these is 2