What is the GCF of 35 and 490?
The GCF of 35 and 490 is 35.
Steps to find GCF
- Find the prime factorization of 35
35 = 5 × 7 - Find the prime factorization of 490
490 = 2 × 5 × 7 × 7 - To find the GCF, multiply all the prime factors common to both numbers:
Therefore, GCF = 5 × 7 - GCF = 35
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Find HCF of: 70 & 980 105 & 1470 175 & 2450 7 & 98 245 & 3430 5 & 70 70 & 490 35 & 980 105 & 490 35 & 1470 175 & 490 35 & 2450 245 & 490 35 & 3430
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The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).