What is the GCF of 245 and 429?
The GCF of 245 and 429 is 1.
Steps to find GCF
- Find the prime factorization of 245
245 = 5 × 7 × 7 - Find the prime factorization of 429
429 = 3 × 11 × 13 - To find the GCF, multiply all the prime factors common to both numbers:
Note that there are no common prime factors. - Therefore, GCF = 1 (since 1 is a factor of every number)
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Find HCF of: 490 & 858 735 & 1287 1225 & 2145 1715 & 3003 490 & 429 245 & 858 735 & 429 245 & 1287 1225 & 429 245 & 2145 1715 & 429 245 & 3003
GCF Calculator
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The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).